// blah #ifdef POLYMOST #define POLYMER_C #include "polymer.h" #include "engine_priv.h" // CVARS int32_t pr_lighting = 1; int32_t pr_normalmapping = 1; int32_t pr_specularmapping = 1; int32_t pr_shadows = 1; int32_t pr_shadowcount = 5; int32_t pr_shadowdetail = 4; int32_t pr_maxlightpasses = 5; int32_t pr_maxlightpriority = PR_MAXLIGHTPRIORITY; int32_t pr_fov = 426; // appears to be the classic setting. int32_t pr_billboardingmode = 1; int32_t pr_verbosity = 1; // 0: silent, 1: errors and one-times, 2: multiple-times, 3: flood int32_t pr_wireframe = 0; int32_t pr_vbos = 2; int32_t pr_gpusmoothing = 1; int32_t pr_overrideparallax = 0; float pr_parallaxscale = 0.1f; float pr_parallaxbias = 0.0f; int32_t pr_overridespecular = 0; float pr_specularpower = 15.0f; float pr_specularfactor = 1.0f; GLenum mapvbousage = GL_STREAM_DRAW_ARB; GLenum modelvbousage = GL_STATIC_DRAW_ARB; // BUILD DATA _prsector *prsectors[MAXSECTORS]; _prwall *prwalls[MAXWALLS]; _prplane spriteplane; _prmaterial mdspritematerial; static GLfloat vertsprite[4 * 5] = { -0.5f, 0.0f, 0.0f, 0.0f, 1.0f, 0.5f, 0.0f, 0.0f, 1.0f, 1.0f, 0.5f, 1.0f, 0.0f, 1.0f, 0.0f, -0.5f, 1.0f, 0.0f, 0.0f, 0.0f, }; static GLfloat horizsprite[4 * 5] = { -0.5f, 0.0f, 0.5f, 0.0f, 0.0f, 0.5f, 0.0f, 0.5f, 1.0f, 0.0f, 0.5f, 0.0f, -0.5f, 1.0f, 1.0f, -0.5f, 0.0f, -0.5f, 0.0f, 1.0f, }; static GLfloat skyboxdata[4 * 5 * 6] = { // -ZY -0.5f, -0.5f, 0.5f, 0.0f, 1.0f, -0.5f, -0.5f, -0.5f, 1.0f, 1.0f, -0.5f, 0.5f, -0.5f, 1.0f, 0.0f, -0.5f, 0.5f, 0.5f, 0.0f, 0.0f, // XY -0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.5f, -0.5f, -0.5f, 1.0f, 1.0f, 0.5f, 0.5f, -0.5f, 1.0f, 0.0f, -0.5f, 0.5f, -0.5f, 0.0f, 0.0f, // ZY 0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.5f, -0.5f, 0.5f, 1.0f, 1.0f, 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, // -XY 0.5f, -0.5f, 0.5f, 0.0f, 1.0f, -0.5f, -0.5f, 0.5f, 1.0f, 1.0f, -0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.5f, 0.5f, 0.5f, 0.0f, 0.0f, // XZ -0.5f, 0.5f, -0.5f, 1.0f, 1.0f, 0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.5f, 0.5f, 0.5f, 0.0f, 0.0f, -0.5f, 0.5f, 0.5f, 0.0f, 1.0f, // X-Z -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 0.5f, -0.5f, -0.5f, 1.0f, 1.0f, -0.5f, -0.5f, -0.5f, 1.0f, 0.0f, }; GLuint skyboxdatavbo; GLfloat artskydata[16]; // LIGHTS _prlight prlights[PR_MAXLIGHTS]; int32_t lightcount; int32_t curlight; _prlight staticlights[PR_MAXLIGHTS]; int32_t staticlightcount; _prlight gamelights[PR_MAXLIGHTS]; int32_t gamelightcount; _prlight framelights[PR_MAXLIGHTS]; int32_t framelightcount; static GLfloat shadowBias[] = { 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0 }; // MATERIALS _prprogrambit prprogrambits[PR_BIT_COUNT] = { { 1 << PR_BIT_HEADER, // vert_def "#version 120\n" "#extension GL_ARB_texture_rectangle : enable\n" "\n", // vert_prog "", // frag_def "#version 120\n" "#extension GL_ARB_texture_rectangle : enable\n" "\n", // frag_prog "", }, { 1 << PR_BIT_ANIM_INTERPOLATION, // vert_def "attribute vec4 nextFrameData;\n" "attribute vec4 nextFrameNormal;\n" "uniform float frameProgress;\n" "\n", // vert_prog " vec4 currentFramePosition;\n" " vec4 nextFramePosition;\n" "\n" " currentFramePosition = curVertex * (1.0 - frameProgress);\n" " nextFramePosition = nextFrameData * frameProgress;\n" " curVertex = currentFramePosition + nextFramePosition;\n" "\n" " currentFramePosition = vec4(curNormal, 1.0) * (1.0 - frameProgress);\n" " nextFramePosition = nextFrameNormal * frameProgress;\n" " curNormal = vec3(currentFramePosition + nextFramePosition);\n" "\n", // frag_def "", // frag_prog "", }, { 1 << PR_BIT_LIGHTING_PASS, // vert_def "", // vert_prog "", // frag_def "", // frag_prog " isLightingPass = 1;\n" " result = vec4(0.0, 0.0, 0.0, 1.0);\n" "\n", }, { 1 << PR_BIT_NORMAL_MAP, // vert_def "attribute vec3 T;\n" "attribute vec3 B;\n" "attribute vec3 N;\n" "uniform vec3 eyePosition;\n" "varying vec3 tangentSpaceEyeVec;\n" "\n", // vert_prog " TBN = transpose(mat3(T, B, N));\n" " tangentSpaceEyeVec = eyePosition - vec3(curVertex);\n" " tangentSpaceEyeVec = TBN * tangentSpaceEyeVec;\n" "\n" " isNormalMapped = 1;\n" "\n", // frag_def "uniform sampler2D normalMap;\n" "uniform vec2 normalBias;\n" "varying vec3 tangentSpaceEyeVec;\n" "\n", // frag_prog " vec4 normalStep;\n" " float biasedHeight;\n" "\n" " eyeVec = normalize(tangentSpaceEyeVec);\n" "\n" " for (int i = 0; i < 4; i++) {\n" " normalStep = texture2D(normalMap, commonTexCoord.st);\n" " biasedHeight = normalStep.a * normalBias.x - normalBias.y;\n" " commonTexCoord += (biasedHeight - commonTexCoord.z) * normalStep.z * eyeVec;\n" " }\n" "\n" " normalTexel = texture2D(normalMap, commonTexCoord.st);\n" "\n" " isNormalMapped = 1;\n" "\n", }, { 1 << PR_BIT_DIFFUSE_MAP, // vert_def "uniform vec2 diffuseScale;\n" "\n", // vert_prog " gl_TexCoord[0] = vec4(diffuseScale, 1.0, 1.0) * gl_MultiTexCoord0;\n" "\n", // frag_def "uniform sampler2D diffuseMap;\n" "\n", // frag_prog " diffuseTexel = texture2D(diffuseMap, commonTexCoord.st);\n" " if (isLightingPass == 0)\n" " result *= diffuseTexel;\n" "\n", }, { 1 << PR_BIT_DIFFUSE_DETAIL_MAP, // vert_def "uniform vec2 detailScale;\n" "varying vec2 fragDetailScale;\n" "\n", // vert_prog " fragDetailScale = detailScale;\n" " if (isNormalMapped == 0)\n" " gl_TexCoord[1] = vec4(detailScale, 1.0, 1.0) * gl_MultiTexCoord0;\n" "\n", // frag_def "uniform sampler2D detailMap;\n" "varying vec2 fragDetailScale;\n" "\n", // frag_prog " if (isNormalMapped == 0)\n" " result *= texture2D(detailMap, gl_TexCoord[1].st);\n" " else\n" " result *= texture2D(detailMap, commonTexCoord.st * fragDetailScale);\n" " result.rgb *= 2.0;\n" "\n", }, { 1 << PR_BIT_DIFFUSE_MODULATION, // vert_def "", // vert_prog " gl_FrontColor = gl_Color;\n" "\n", // frag_def "", // frag_prog " if (isLightingPass == 0)\n" " result *= vec4(gl_Color);\n" "\n", }, { 1 << PR_BIT_SPECULAR_MAP, // vert_def "", // vert_prog "", // frag_def "uniform sampler2D specMap;\n" "\n", // frag_prog " specTexel = texture2D(specMap, commonTexCoord.st);\n" "\n" " isSpecularMapped = 1;\n" "\n", }, { 1 << PR_BIT_SPECULAR_MATERIAL, // vert_def "", // vert_prog "", // frag_def "uniform vec2 specMaterial;\n" "\n", // frag_prog " specularMaterial = specMaterial;\n" "\n", }, { 1 << PR_BIT_MIRROR_MAP, // vert_def "", // vert_prog "", // frag_def "uniform sampler2DRect mirrorMap;\n" "\n", // frag_prog " vec4 mirrorTexel;\n" " vec2 mirrorCoords;\n" "\n" " mirrorCoords = gl_FragCoord.st;\n" " if (isNormalMapped == 1) {\n" " mirrorCoords += 100.0 * (normalTexel.rg - 0.5);\n" " }\n" " mirrorTexel = texture2DRect(mirrorMap, mirrorCoords);\n" " result = vec4((result.rgb * (1.0 - specTexel.a)) + (mirrorTexel.rgb * specTexel.rgb * specTexel.a), result.a);\n" "\n", }, { 1 << PR_BIT_FOG, // vert_def "", // vert_prog "", // frag_def "", // frag_prog " float fragDepth;\n" " float fogFactor;\n" "\n" " fragDepth = gl_FragCoord.z / gl_FragCoord.w / 35.0;\n" " fragDepth *= fragDepth;\n" " fogFactor = exp2(-gl_Fog.density * gl_Fog.density * fragDepth * 1.442695);\n" " result.rgb = mix(gl_Fog.color.rgb, result.rgb, fogFactor);\n" "\n", }, { 1 << PR_BIT_GLOW_MAP, // vert_def "", // vert_prog "", // frag_def "uniform sampler2D glowMap;\n" "\n", // frag_prog " vec4 glowTexel;\n" "\n" " glowTexel = texture2D(glowMap, commonTexCoord.st);\n" " result = vec4((result.rgb * (1.0 - glowTexel.a)) + (glowTexel.rgb * glowTexel.a), result.a);\n" "\n", }, { 1 << PR_BIT_SHADOW_MAP, // vert_def "uniform mat4 shadowProjMatrix;\n" "\n", // vert_prog " gl_TexCoord[2] = shadowProjMatrix * curVertex;\n" "\n", // frag_def "uniform sampler2DShadow shadowMap;\n" "\n", // frag_prog " shadowResult = shadow2DProj(shadowMap, gl_TexCoord[2]).a;\n" "\n", }, { 1 << PR_BIT_LIGHT_MAP, // vert_def "", // vert_prog "", // frag_def "uniform sampler2D lightMap;\n" "\n", // frag_prog " lightTexel = texture2D(lightMap, gl_TexCoord[2].st / gl_TexCoord[2].q).rgb;\n" "\n", }, { 1 << PR_BIT_SPOT_LIGHT, // vert_def "", // vert_prog "", // frag_def "uniform vec3 spotDir;\n" "uniform vec2 spotRadius;\n" "\n", // frag_prog " spotVector = spotDir;\n" " spotCosRadius = spotRadius;\n" " isSpotLight = 1;\n" "\n", }, { 1 << PR_BIT_POINT_LIGHT, // vert_def "varying vec3 vertexNormal;\n" "varying vec3 eyeVector;\n" "varying vec3 lightVector;\n" "varying vec3 tangentSpaceLightVector;\n" "\n", // vert_prog " vec3 vertexPos;\n" "\n" " vertexPos = vec3(gl_ModelViewMatrix * curVertex);\n" " eyeVector = -vertexPos;\n" " lightVector = gl_LightSource[0].ambient.rgb - vertexPos;\n" "\n" " if (isNormalMapped == 1) {\n" " tangentSpaceLightVector = gl_LightSource[0].specular.rgb - vec3(curVertex);\n" " tangentSpaceLightVector = TBN * tangentSpaceLightVector;\n" " } else\n" " vertexNormal = normalize(gl_NormalMatrix * curNormal);\n" "\n", // frag_def "varying vec3 vertexNormal;\n" "varying vec3 eyeVector;\n" "varying vec3 lightVector;\n" "varying vec3 tangentSpaceLightVector;\n" "\n", // frag_prog " vec2 lightRange;\n" " float pointLightDistance;\n" " float lightAttenuation;\n" " float spotAttenuation;\n" " vec3 N, L, E, R, D;\n" " vec3 lightDiffuse;\n" " float lightSpecular;\n" " float NdotL;\n" " float spotCosAngle;\n" "\n" " L = normalize(lightVector);\n" "\n" " pointLightDistance = length(lightVector);\n" " lightRange.x = gl_LightSource[0].constantAttenuation;\n" " lightRange.y = gl_LightSource[0].linearAttenuation;\n" "\n" " lightAttenuation = clamp(1.0 - pointLightDistance * lightRange.y, 0.0, 1.0);\n" " spotAttenuation = 1.0;\n" "\n" " if (isSpotLight == 1) {\n" " D = normalize(spotVector);\n" " spotCosAngle = dot(-L, D);\n" " spotAttenuation = clamp((spotCosAngle - spotCosRadius.x) * spotCosRadius.y, 0.0, 1.0);\n" " }\n" "\n" " if (isNormalMapped == 1) {\n" " E = eyeVec;\n" " N = normalize(2.0 * (normalTexel.rgb - 0.5));\n" " L = normalize(tangentSpaceLightVector);\n" " } else {\n" " E = normalize(eyeVector);\n" " N = normalize(vertexNormal);\n" " }\n" " NdotL = max(dot(N, L), 0.0);\n" "\n" " R = reflect(-L, N);\n" "\n" " lightDiffuse = gl_Color.a * shadowResult * lightTexel *\n" " gl_LightSource[0].diffuse.rgb * lightAttenuation * spotAttenuation;\n" " result += vec4(lightDiffuse * diffuseTexel.a * diffuseTexel.rgb * NdotL, 0.0);\n" "\n" " if (isSpecularMapped == 0)\n" " specTexel.rgb = diffuseTexel.rgb * diffuseTexel.a;\n" "\n" " lightSpecular = pow( max(dot(R, E), 0.0), specularMaterial.x * specTexel.a) * specularMaterial.y;\n" " result += vec4(lightDiffuse * specTexel.rgb * lightSpecular, 0.0);\n" "\n", }, { 1 << PR_BIT_FOOTER, // vert_def "void main(void)\n" "{\n" " vec4 curVertex = gl_Vertex;\n" " vec3 curNormal = gl_Normal;\n" " int isNormalMapped = 0;\n" " mat3 TBN;\n" "\n" " gl_TexCoord[0] = gl_MultiTexCoord0;\n" "\n", // vert_prog " gl_Position = gl_ModelViewProjectionMatrix * curVertex;\n" "}\n", // frag_def "void main(void)\n" "{\n" " vec3 commonTexCoord = vec3(gl_TexCoord[0].st, 0.0);\n" " vec4 result = vec4(1.0, 1.0, 1.0, 1.0);\n" " vec4 diffuseTexel = vec4(1.0, 1.0, 1.0, 1.0);\n" " vec4 specTexel = vec4(1.0, 1.0, 1.0, 1.0);\n" " vec4 normalTexel;\n" " int isLightingPass = 0;\n" " int isNormalMapped = 0;\n" " int isSpecularMapped = 0;\n" " vec3 eyeVec;\n" " int isSpotLight = 0;\n" " vec3 spotVector;\n" " vec2 spotCosRadius;\n" " float shadowResult = 1.0;\n" " vec2 specularMaterial = vec2(15.0, 1.0);\n" " vec3 lightTexel = vec3(1.0, 1.0, 1.0);\n" "\n", // frag_prog " gl_FragColor = result;\n" "}\n", } }; _prprograminfo prprograms[1 << PR_BIT_COUNT]; int32_t overridematerial; // RENDER TARGETS _prrt *prrts; // CONTROL GLfloat spritemodelview[16]; GLfloat rootmodelviewmatrix[16]; GLfloat *curmodelviewmatrix; GLfloat rootskymodelviewmatrix[16]; GLfloat *curskymodelviewmatrix; static int16_t sectorqueue[MAXSECTORS]; static int16_t querydelay[MAXSECTORS]; static GLuint queryid[MAXWALLS]; static int16_t drawingstate[MAXSECTORS]; float horizang; int16_t viewangle; int32_t depth; _prmirror mirrors[10]; GLUtesselator* prtess; int16_t cursky; _pranimatespritesinfo asi; // EXTERNAL FUNCTIONS int32_t polymer_init(void) { int32_t i; if (pr_verbosity >= 1) OSD_Printf("Initializing Polymer subsystem...\n"); Bmemset(&prsectors[0], 0, sizeof(prsectors[0]) * MAXSECTORS); Bmemset(&prwalls[0], 0, sizeof(prwalls[0]) * MAXWALLS); prtess = bgluNewTess(); if (prtess == 0) { OSD_Printf("PR : Tessellation object initialization failed!\n"); return (0); } polymer_loadboard(); polymer_initartsky(); skyboxdatavbo = 0; if (spriteplane.buffer == NULL) { spriteplane.buffer = Bcalloc(4, sizeof(GLfloat) * 5); spriteplane.vertcount = 4; } i = 0; while (i < nextmodelid) { if (models[i]) { md3model_t* m; m = (md3model_t*)models[i]; m->indices = NULL; } i++; } i = 0; while (i < (1 << PR_BIT_COUNT)) { prprograms[i].handle = 0; i++; } overridematerial = 0xFFFFFFFF; polymer_initrendertargets(pr_shadowcount + 1); if (pr_verbosity >= 1) OSD_Printf("PR : Initialization complete.\n"); return (1); } void polymer_glinit(void) { bglClearColor(0.0f, 0.0f, 0.0f, 1.0f); bglClearStencil(0); bglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); bglViewport(0, 0, xdim, ydim); // texturing bglEnable(GL_TEXTURE_2D); bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT); bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT); bglEnable(GL_DEPTH_TEST); bglDepthFunc(GL_LEQUAL); bglDisable(GL_BLEND); bglDisable(GL_ALPHA_TEST); if (pr_wireframe) bglPolygonMode(GL_FRONT_AND_BACK, GL_LINE); else bglPolygonMode(GL_FRONT_AND_BACK, GL_FILL); bglMatrixMode(GL_PROJECTION); bglLoadIdentity(); bgluPerspective((float)(pr_fov) / (2048.0f / 360.0f), (float)xdim / (float)ydim, 0.01f, 100.0f); bglMatrixMode(GL_MODELVIEW); bglLoadIdentity(); bglEnableClientState(GL_VERTEX_ARRAY); bglEnableClientState(GL_TEXTURE_COORD_ARRAY); bglDisable(GL_FOG); bglEnable(GL_CULL_FACE); bglCullFace(GL_BACK); } void polymer_loadboard(void) { int32_t i; polymer_clearmapdata(); i = 0; while (i < numsectors) { polymer_initsector(i); polymer_updatesector(i); i++; } i = 0; while (i < numwalls) { polymer_initwall(i); polymer_updatewall(i); i++; } polymer_getsky(); if (pr_verbosity >= 1) OSD_Printf("PR : Board loaded.\n"); } void polymer_drawrooms(int32_t daposx, int32_t daposy, int32_t daposz, int16_t daang, int32_t dahoriz, int16_t dacursectnum) { int16_t cursectnum; int32_t i, cursectflorz, cursectceilz; float skyhoriz, ang, tiltang; float pos[3]; pthtyp* pth; if (!rendmode) return; begindrawing(); // TODO: support for screen resizing // frameoffset = frameplace + windowy1*bytesperline + windowx1; if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n"); // fogcalc needs this gvisibility = ((float)globalvisibility)*FOGSCALE; ang = (float)(daang) / (2048.0f / 360.0f); horizang = (float)(-getangle(128, dahoriz-100)) / (2048.0f / 360.0f); tiltang = (gtang * 90.0f); if (searchit == 2) polymer_editorselect(); pos[0] = daposy; pos[1] = -(float)(daposz) / 16.0f; pos[2] = -daposx; polymer_resetlights(); if (pr_lighting) polymer_applylights(); depth = 0; if (pr_shadows && lightcount && (pr_shadowcount > 0)) polymer_prepareshadows(); // hack for parallax skies skyhoriz = horizang; if (skyhoriz < -180.0f) skyhoriz += 360.0f; drawingskybox = 1; pth = gltexcache(cursky,0,0); drawingskybox = 0; // if it's not a skybox, make the sky parallax // the angle factor is computed from eyeballed values // need to recompute it if we ever change the max horiz amplitude if (!pth || !(pth->flags & 4)) skyhoriz /= 4.3027; bglMatrixMode(GL_MODELVIEW); bglLoadIdentity(); bglRotatef(tiltang, 0.0f, 0.0f, -1.0f); bglRotatef(skyhoriz, 1.0f, 0.0f, 0.0f); bglRotatef(ang, 0.0f, 1.0f, 0.0f); bglScalef(1.0f / 1000.0f, 1.0f / 1000.0f, 1.0f / 1000.0f); bglTranslatef(-pos[0], -pos[1], -pos[2]); bglGetFloatv(GL_MODELVIEW_MATRIX, rootskymodelviewmatrix); curskymodelviewmatrix = rootskymodelviewmatrix; bglMatrixMode(GL_MODELVIEW); bglLoadIdentity(); bglRotatef(tiltang, 0.0f, 0.0f, -1.0f); bglRotatef(horizang, 1.0f, 0.0f, 0.0f); bglRotatef(ang, 0.0f, 1.0f, 0.0f); bglScalef(1.0f / 1000.0f, 1.0f / 1000.0f, 1.0f / 1000.0f); bglTranslatef(-pos[0], -pos[1], -pos[2]); bglGetFloatv(GL_MODELVIEW_MATRIX, rootmodelviewmatrix); cursectnum = dacursectnum; updatesector(daposx, daposy, &cursectnum); if ((cursectnum >= 0) && (cursectnum < numsectors)) dacursectnum = cursectnum; // unflag all sectors i = 0; while (i < numsectors) { prsectors[i]->controlstate = 0; prsectors[i]->ceil.drawn = 0; prsectors[i]->floor.drawn = 0; prsectors[i]->wallsproffset = 0.0f; prsectors[i]->floorsproffset = 0.0f; i++; } i = 0; while (i < numwalls) { prwalls[i]->controlstate = 0; prwalls[i]->wall.drawn = 0; prwalls[i]->over.drawn = 0; prwalls[i]->mask.drawn = 0; i++; } getzsofslope(dacursectnum, daposx, daposy, &cursectceilz, &cursectflorz); // external view (editor) if ((dacursectnum < 0) || (dacursectnum >= numsectors) || (daposz > cursectflorz) || (daposz < cursectceilz)) { i = 0; while (i < numsectors) { polymer_updatesector(i); polymer_drawsector(i); polymer_scansprites(i, tsprite, &spritesortcnt); i++; } i = 0; while (i < numwalls) { polymer_updatewall(i); polymer_drawwall(sectorofwall(i), i); i++; } viewangle = daang; enddrawing(); return; } // GO! polymer_displayrooms(dacursectnum); curmodelviewmatrix = rootmodelviewmatrix; // build globals used by rotatesprite viewangle = daang; globalang = (daang&2047); cosglobalang = sintable[(globalang+512)&2047]; singlobalang = sintable[globalang&2047]; cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange); sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange); // polymost globals used by polymost_dorotatesprite gcosang = ((double)cosglobalang)/262144.0; gsinang = ((double)singlobalang)/262144.0; gcosang2 = gcosang*((double)viewingrange)/65536.0; gsinang2 = gsinang*((double)viewingrange)/65536.0; if (pr_verbosity >= 3) OSD_Printf("PR : Rooms drawn.\n"); enddrawing(); } void polymer_drawmasks(void) { bglEnable(GL_ALPHA_TEST); bglEnable(GL_BLEND); bglEnable(GL_POLYGON_OFFSET_FILL); while (spritesortcnt) { spritesortcnt--; tspriteptr[spritesortcnt] = &tsprite[spritesortcnt]; polymer_drawsprite(spritesortcnt); } bglDisable(GL_POLYGON_OFFSET_FILL); bglDisable(GL_BLEND); bglDisable(GL_ALPHA_TEST); } void polymer_rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum, int8_t dashade, char dapalnum, char dastat, int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2) { UNREFERENCED_PARAMETER(sx); UNREFERENCED_PARAMETER(sy); UNREFERENCED_PARAMETER(z); UNREFERENCED_PARAMETER(a); UNREFERENCED_PARAMETER(picnum); UNREFERENCED_PARAMETER(dashade); UNREFERENCED_PARAMETER(dapalnum); UNREFERENCED_PARAMETER(dastat); UNREFERENCED_PARAMETER(cx1); UNREFERENCED_PARAMETER(cy1); UNREFERENCED_PARAMETER(cx2); UNREFERENCED_PARAMETER(cy2); } void polymer_drawmaskwall(int32_t damaskwallcnt) { sectortype *sec; walltype *wal; _prwall *w; if (pr_verbosity >= 3) OSD_Printf("PR : Masked wall %i...\n", damaskwallcnt); sec = §or[sectorofwall(maskwall[damaskwallcnt])]; wal = &wall[maskwall[damaskwallcnt]]; w = prwalls[maskwall[damaskwallcnt]]; fogcalc(wal->shade,sec->visibility,sec->floorpal); bglFogf(GL_FOG_DENSITY,fogresult); bglFogfv(GL_FOG_COLOR,fogcol); bglEnable(GL_CULL_FACE); polymer_drawplane(&w->mask); bglDisable(GL_CULL_FACE); } void polymer_drawsprite(int32_t snum) { int32_t curpicnum, xsize, ysize, tilexoff, tileyoff, xoff, yoff, i; spritetype *tspr; float xratio, yratio, ang; float spos[3]; GLfloat *inbuffer; if (pr_verbosity >= 3) OSD_Printf("PR : Sprite %i...\n", snum); tspr = tspriteptr[snum]; if (tspr->owner < 0 || tspr->picnum < 0) return; fogcalc(tspr->shade,sector[tspr->sectnum].visibility,sector[tspr->sectnum].floorpal); bglFogf(GL_FOG_DENSITY,fogresult); bglFogfv(GL_FOG_COLOR,fogcol); if (usemodels && tile2model[Ptile2tile(tspr->picnum,tspr->pal)].modelid >= 0 && tile2model[Ptile2tile(tspr->picnum,tspr->pal)].framenum >= 0) { polymer_drawmdsprite(tspr); return; } curpicnum = tspr->picnum; if (picanm[curpicnum]&192) curpicnum += animateoffs(curpicnum,tspr->owner+32768); polymer_getbuildmaterial(&spriteplane.material, curpicnum, tspr->pal, tspr->shade); if (tspr->cstat & 2) { if (tspr->cstat & 512) spriteplane.material.diffusemodulation[3] = 0.33f; else spriteplane.material.diffusemodulation[3] = 0.66f; } spriteplane.material.diffusemodulation[3] *= (1.0f - spriteext[tspr->owner].alpha); if (tspr->cstat & 16384) spriteplane.material.diffusemodulation[3] = 0.0f; if (((tspr->cstat>>4) & 3) == 0) xratio = (float)(tspr->xrepeat) * 0.20f; // 32 / 160 else xratio = (float)(tspr->xrepeat) * 0.25f; yratio = (float)(tspr->yrepeat) * 0.25f; xsize = tilesizx[curpicnum]; ysize = tilesizy[curpicnum]; if (usehightile && h_xsize[curpicnum]) { xsize = h_xsize[curpicnum]; ysize = h_ysize[curpicnum]; } xsize *= xratio; ysize *= yratio; tilexoff = (int32_t)tspr->xoffset; tileyoff = (int32_t)tspr->yoffset; tilexoff += (int8_t)((usehightile&&h_xsize[curpicnum])?(h_xoffs[curpicnum]):((picanm[curpicnum]>>8)&255)); tileyoff += (int8_t)((usehightile&&h_xsize[curpicnum])?(h_yoffs[curpicnum]):((picanm[curpicnum]>>16)&255)); xoff = tilexoff * xratio; yoff = tileyoff * yratio; if ((tspr->cstat & 128) && (((tspr->cstat>>4) & 3) != 2)) yoff -= ysize / 2; spos[0] = tspr->y; spos[1] = -(float)(tspr->z) / 16.0f; spos[2] = -tspr->x; bglMatrixMode(GL_MODELVIEW); bglPushMatrix(); bglLoadIdentity(); inbuffer = vertsprite; if (pr_billboardingmode && !((tspr->cstat>>4) & 3)) { // do surgery on the face tspr to make it look like a wall sprite tspr->cstat |= 16; tspr->ang = (viewangle + 1024) & 2047; } switch ((tspr->cstat>>4) & 3) { case 0: ang = (float)((viewangle) & 2047) / (2048.0f / 360.0f); bglTranslatef(spos[0], spos[1], spos[2]); bglRotatef(-ang, 0.0f, 1.0f, 0.0f); bglRotatef(-horizang, 1.0f, 0.0f, 0.0f); bglTranslatef((float)(-xoff), (float)(yoff), 0.0f); bglScalef((float)(xsize), (float)(ysize), 1.0f); // bglPolygonOffset(0.0f, 0.0f); break; case 1: ang = (float)((tspr->ang + 1024) & 2047) / (2048.0f / 360.0f); bglTranslatef(spos[0], spos[1], spos[2]); bglRotatef(-ang, 0.0f, 1.0f, 0.0f); bglTranslatef((float)(-xoff), (float)(yoff), 0.0f); bglScalef((float)(xsize), (float)(ysize), 1.0f); prsectors[tspr->sectnum]->wallsproffset += 0.5f; if (!depth || mirrors[depth-1].plane) bglPolygonOffset(-1.0f, -1.0f); break; case 2: ang = (float)((tspr->ang + 1024) & 2047) / (2048.0f / 360.0f); bglTranslatef(spos[0], spos[1], spos[2]); bglRotatef(-ang, 0.0f, 1.0f, 0.0f); if (tspr->cstat & 8) { bglRotatef(-180.0, 0.0f, 0.0f, 1.0f); spriteplane.material.diffusescale[0] = -spriteplane.material.diffusescale[0]; } bglTranslatef((float)(-xoff), 1.0f, (float)(yoff)); bglScalef((float)(xsize), 1.0f, (float)(ysize)); inbuffer = horizsprite; prsectors[tspr->sectnum]->floorsproffset += 0.5f; if (!depth || mirrors[depth-1].plane) bglPolygonOffset(-1.0f, -1.0f); break; } if ((tspr->cstat & 4) && (((tspr->cstat>>4) & 3) != 2)) spriteplane.material.diffusescale[0] = -spriteplane.material.diffusescale[0]; if (!(tspr->cstat & 4) && (((tspr->cstat>>4) & 3) == 2)) spriteplane.material.diffusescale[0] = -spriteplane.material.diffusescale[0]; if ((tspr->cstat & 8) && (((tspr->cstat>>4) & 3) != 2)) spriteplane.material.diffusescale[1] = -spriteplane.material.diffusescale[1]; bglGetFloatv(GL_MODELVIEW_MATRIX, spritemodelview); bglPopMatrix(); Bmemcpy(spriteplane.buffer, inbuffer, sizeof(GLfloat) * 4 * 5); i = 0; while (i < 4) { polymer_transformpoint(&inbuffer[i * 5], &spriteplane.buffer[i * 5], spritemodelview); i++; } polymer_computeplane(&spriteplane); spriteplane.lightcount = 0; i = 0; while (i < lightcount) { if (polymer_planeinlight(&spriteplane, &prlights[i])) { spriteplane.lights[spriteplane.lightcount] = i; spriteplane.lightcount++; } i++; } if ((tspr->cstat & 64) && ((tspr->cstat>>4) & 3)) bglEnable(GL_CULL_FACE); if (!depth || mirrors[depth-1].plane) bglEnable(GL_POLYGON_OFFSET_FILL); polymer_drawplane(&spriteplane); if (!depth || mirrors[depth-1].plane) bglDisable(GL_POLYGON_OFFSET_FILL); if ((tspr->cstat & 64) && ((tspr->cstat>>4) & 3)) bglDisable(GL_CULL_FACE); } void polymer_setanimatesprites(animatespritesptr animatesprites, int32_t x, int32_t y, int32_t a, int32_t smoothratio) { asi.animatesprites = animatesprites; asi.x = x; asi.y = y; asi.a = a; asi.smoothratio = smoothratio; } // CORE static void polymer_displayrooms(int16_t dacursectnum) { sectortype *sec; int32_t i; GLint result; int16_t doquery; int32_t front; int32_t back; GLfloat localskymodelviewmatrix[16]; GLfloat localmodelviewmatrix[16]; GLfloat localprojectionmatrix[16]; float frustum[5 * 4]; int32_t localspritesortcnt; spritetype localtsprite[MAXSPRITESONSCREEN]; int16_t localmaskwall[MAXWALLSB]; int16_t localmaskwallcnt; _prmirror mirrorlist[10]; int mirrorcount; int32_t gx, gy, gz, px, py, pz; GLdouble plane[4]; float coeff; curmodelviewmatrix = localmodelviewmatrix; bglGetFloatv(GL_MODELVIEW_MATRIX, localmodelviewmatrix); bglGetFloatv(GL_PROJECTION_MATRIX, localprojectionmatrix); polymer_extractfrustum(localmodelviewmatrix, localprojectionmatrix, frustum); Bmemset(querydelay, 0, sizeof(int16_t) * numsectors); Bmemset(queryid, 0, sizeof(GLuint) * numwalls); Bmemset(drawingstate, 0, sizeof(int16_t) * numsectors); front = 0; back = 1; sectorqueue[0] = dacursectnum; drawingstate[dacursectnum] = 1; localspritesortcnt = localmaskwallcnt = 0; mirrorcount = 0; bglDisable(GL_DEPTH_TEST); bglColor4f(1.0f, 1.0f, 1.0f, 1.0f); polymer_drawsky(cursky); bglEnable(GL_DEPTH_TEST); // depth-only occlusion testing pass // overridematerial = 0; while (front != back) { sec = §or[sectorqueue[front]]; polymer_pokesector(sectorqueue[front]); polymer_drawsector(sectorqueue[front]); polymer_scansprites(sectorqueue[front], localtsprite, &localspritesortcnt); doquery = 0; i = 0; while (i < sec->wallnum) { polymer_drawwall(sectorqueue[front], sec->wallptr + i); // if we have a level boundary somewhere in the sector, // consider these walls as visportals if (wall[sec->wallptr + i].nextsector == -1) doquery = 1; i++; } i = 0; while (i < sec->wallnum) { if ((wall[sec->wallptr + i].nextsector != -1) && (wallvisible(sec->wallptr + i)) && (polymer_planeinfrustum(&prwalls[sec->wallptr + i]->mask, frustum))) { if ((prwalls[sec->wallptr + i]->mask.vertcount == 4) && !(prwalls[sec->wallptr + i]->underover & 4) && !(prwalls[sec->wallptr + i]->underover & 8)) { // early exit for closed sectors _prwall *w; w = prwalls[sec->wallptr + i]; if ((w->mask.buffer[(0 * 5) + 1] >= w->mask.buffer[(3 * 5) + 1]) && (w->mask.buffer[(1 * 5) + 1] >= w->mask.buffer[(2 * 5) + 1])) { i++; continue; } } if (wall[sec->wallptr + i].cstat & 48) localmaskwall[localmaskwallcnt++] = sec->wallptr + i; if (!depth && (overridematerial & prprogrambits[PR_BIT_MIRROR_MAP].bit) && wall[sec->wallptr + i].overpicnum == 560 && wall[sec->wallptr + i].cstat & 32) { mirrorlist[mirrorcount].plane = &prwalls[sec->wallptr + i]->mask; mirrorlist[mirrorcount].sectnum = sectorqueue[front]; mirrorlist[mirrorcount].wallnum = sec->wallptr + i; mirrorcount++; } if (!(wall[sec->wallptr + i].cstat & 32)) { if (doquery && (!drawingstate[wall[sec->wallptr + i].nextsector])) { float pos[3], sqdist; int32_t oldoverridematerial; pos[0] = globalposy; pos[1] = -(float)(globalposz) / 16.0f; pos[2] = -globalposx; sqdist = prwalls[sec->wallptr + i]->mask.plane[0] * pos[0] + prwalls[sec->wallptr + i]->mask.plane[1] * pos[1] + prwalls[sec->wallptr + i]->mask.plane[2] * pos[2] + prwalls[sec->wallptr + i]->mask.plane[3]; // hack to avoid occlusion querying portals that are too close to the viewpoint // this is needed because of the near z-clipping plane; if (sqdist < 100) queryid[sec->wallptr + i] = 0xFFFFFFFF; else { _prwall *w; w = prwalls[sec->wallptr + i]; bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); bglDepthMask(GL_FALSE); bglGenQueriesARB(1, &queryid[sec->wallptr + i]); bglBeginQueryARB(GL_SAMPLES_PASSED_ARB, queryid[sec->wallptr + i]); oldoverridematerial = overridematerial; overridematerial = 0; if ((w->underover & 4) && (w->underover & 1)) polymer_drawplane(&w->wall); polymer_drawplane(&w->mask); if ((w->underover & 8) && (w->underover & 2)) polymer_drawplane(&w->over); overridematerial = oldoverridematerial; bglEndQueryARB(GL_SAMPLES_PASSED_ARB); bglDepthMask(GL_TRUE); bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); } } else queryid[sec->wallptr + i] = 1; } } i++; } i = 0; while (i < sec->wallnum) { if ((queryid[sec->wallptr + i]) && (!drawingstate[wall[sec->wallptr + i].nextsector])) { // REAP result = 0; if (doquery && (queryid[sec->wallptr + i] != 0xFFFFFFFF)) { bglGetQueryObjectivARB(queryid[sec->wallptr + i], GL_QUERY_RESULT_ARB, &result); bglDeleteQueriesARB(1, &queryid[sec->wallptr + i]); } else if (queryid[sec->wallptr + i] == 0xFFFFFFFF) result = 1; queryid[sec->wallptr + i] = 0; if (result || !doquery) { sectorqueue[back++] = wall[sec->wallptr + i].nextsector; drawingstate[wall[sec->wallptr + i].nextsector] = 1; } } i++; } front++; } // do the actual shaded drawing // overridematerial = 0xFFFFFFFF; // go through the sector queue again // front = 0; // while (front < back) // { // sec = §or[sectorqueue[front]]; // // polymer_drawsector(sectorqueue[front]); // // i = 0; // while (i < sec->wallnum) // { // polymer_drawwall(sectorqueue[front], sec->wallptr + i); // // i++; // } // // front++; // } i = 0; while (i < mirrorcount) { bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, prrts[0].fbo); bglPushAttrib(GL_VIEWPORT_BIT); bglViewport(0, 0, xdim, ydim); bglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); Bmemcpy(localskymodelviewmatrix, curskymodelviewmatrix, sizeof(GLfloat) * 16); curskymodelviewmatrix = localskymodelviewmatrix; bglMatrixMode(GL_MODELVIEW); bglPushMatrix(); plane[0] = mirrorlist[i].plane->plane[0]; plane[1] = mirrorlist[i].plane->plane[1]; plane[2] = mirrorlist[i].plane->plane[2]; plane[3] = mirrorlist[i].plane->plane[3]; bglClipPlane(GL_CLIP_PLANE0, plane); polymer_inb4mirror(mirrorlist[i].plane->buffer, mirrorlist[i].plane->plane); bglCullFace(GL_FRONT); //bglEnable(GL_CLIP_PLANE0); if (mirrorlist[i].wallnum >= 0) preparemirror(globalposx, globalposy, 0, globalang, 0, mirrorlist[i].wallnum, 0, &gx, &gy, &viewangle); gx = globalposx; gy = globalposy; gz = globalposz; // map the player pos from build to polymer px = globalposy; py = -globalposz / 16; pz = -globalposx; // calculate new player position on the other side of the mirror // this way the basic build visibility shit can be used (wallvisible) coeff = mirrorlist[i].plane->plane[0] * px + mirrorlist[i].plane->plane[1] * py + mirrorlist[i].plane->plane[2] * pz + mirrorlist[i].plane->plane[3]; coeff /= (float)(mirrorlist[i].plane->plane[0] * mirrorlist[i].plane->plane[0] + mirrorlist[i].plane->plane[1] * mirrorlist[i].plane->plane[1] + mirrorlist[i].plane->plane[2] * mirrorlist[i].plane->plane[2]); px = -coeff*mirrorlist[i].plane->plane[0]*2 + px; py = -coeff*mirrorlist[i].plane->plane[1]*2 + py; pz = -coeff*mirrorlist[i].plane->plane[2]*2 + pz; // map back from polymer to build globalposx = -pz; globalposy = px; globalposz = -py * 16; mirrors[depth++] = mirrorlist[i]; polymer_displayrooms(mirrorlist[i].sectnum); depth--; globalposx = gx; globalposy = gy; globalposz = gz; bglDisable(GL_CLIP_PLANE0); bglCullFace(GL_BACK); bglMatrixMode(GL_MODELVIEW); bglPopMatrix(); bglPopAttrib(); bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); mirrorlist[i].plane->material.mirrormap = prrts[0].color; polymer_drawplane(mirrorlist[i].plane); mirrorlist[i].plane->material.mirrormap = 0; i++; } spritesortcnt = localspritesortcnt; Bmemcpy(tsprite, localtsprite, sizeof(spritetype) * spritesortcnt); maskwallcnt = localmaskwallcnt; Bmemcpy(maskwall, localmaskwall, sizeof(int16_t) * maskwallcnt); if (depth) { // drawmasks needs these cosglobalang = sintable[(viewangle+512)&2047]; singlobalang = sintable[viewangle&2047]; cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange); sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange); if (mirrors[depth - 1].plane) display_mirror = 1; polymer_animatesprites(); if (mirrors[depth - 1].plane) display_mirror = 0; bglDisable(GL_CULL_FACE); drawmasks(); bglEnable(GL_CULL_FACE); } return; } static void polymer_drawplane(_prplane* plane) { int32_t materialbits; // debug code for drawing plane inverse TBN // bglDisable(GL_TEXTURE_2D); // bglBegin(GL_LINES); // bglColor4f(1.0, 0.0, 0.0, 1.0); // bglVertex3f(plane->buffer[0], // plane->buffer[1], // plane->buffer[2]); // bglVertex3f(plane->buffer[0] + plane->t[0] * 50, // plane->buffer[1] + plane->t[1] * 50, // plane->buffer[2] + plane->t[2] * 50); // bglColor4f(0.0, 1.0, 0.0, 1.0); // bglVertex3f(plane->buffer[0], // plane->buffer[1], // plane->buffer[2]); // bglVertex3f(plane->buffer[0] + plane->b[0] * 50, // plane->buffer[1] + plane->b[1] * 50, // plane->buffer[2] + plane->b[2] * 50); // bglColor4f(0.0, 0.0, 1.0, 1.0); // bglVertex3f(plane->buffer[0], // plane->buffer[1], // plane->buffer[2]); // bglVertex3f(plane->buffer[0] + plane->n[0] * 50, // plane->buffer[1] + plane->n[1] * 50, // plane->buffer[2] + plane->n[2] * 50); // bglEnd(); // bglEnable(GL_TEXTURE_2D); // debug code for drawing plane normals // bglDisable(GL_TEXTURE_2D); // bglBegin(GL_LINES); // bglColor4f(1.0, 1.0, 1.0, 1.0); // bglVertex3f(plane->buffer[0], // plane->buffer[1], // plane->buffer[2]); // bglVertex3f(plane->buffer[0] + plane->plane[0] * 50, // plane->buffer[1] + plane->plane[1] * 50, // plane->buffer[2] + plane->plane[2] * 50); // bglEnd(); // bglEnable(GL_TEXTURE_2D); bglNormal3f((float)(plane->plane[0]), (float)(plane->plane[1]), (float)(plane->plane[2])); if (plane->vbo && (pr_vbos > 0)) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, plane->vbo); bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), NULL); bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), (GLfloat*)(3 * sizeof(GLfloat))); if (plane->indices) bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, plane->ivbo); } else { bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), plane->buffer); bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &plane->buffer[3]); } curlight = 0; while ((curlight == 0) || ((curlight < plane->lightcount) && (curlight < pr_maxlightpasses))) { materialbits = polymer_bindmaterial(plane->material, plane->lights, plane->lightcount); if (materialbits & prprogrambits[PR_BIT_NORMAL_MAP].bit) { bglVertexAttrib3fvARB(prprograms[materialbits].attrib_T, plane->t); bglVertexAttrib3fvARB(prprograms[materialbits].attrib_B, plane->b); bglVertexAttrib3fvARB(prprograms[materialbits].attrib_N, plane->plane); } if (plane->indices) { if (plane->vbo && (pr_vbos > 0)) bglDrawElements(GL_TRIANGLES, plane->indicescount, GL_UNSIGNED_SHORT, NULL); else bglDrawElements(GL_TRIANGLES, plane->indicescount, GL_UNSIGNED_SHORT, plane->indices); } else bglDrawArrays(GL_QUADS, 0, 4); polymer_unbindmaterial(materialbits); curlight++; } if (plane->vbo && (pr_vbos > 0)) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); if (plane->indices) bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0); } plane->drawn = 1; } static inline void polymer_inb4mirror(GLfloat* buffer, GLfloat* plane) { float pv; float reflectionmatrix[16]; pv = buffer[0] * plane[0] + buffer[1] * plane[1] + buffer[2] * plane[2]; reflectionmatrix[0] = 1 - (2 * plane[0] * plane[0]); reflectionmatrix[1] = -2 * plane[0] * plane[1]; reflectionmatrix[2] = -2 * plane[0] * plane[2]; reflectionmatrix[3] = 0; reflectionmatrix[4] = -2 * plane[0] * plane[1]; reflectionmatrix[5] = 1 - (2 * plane[1] * plane[1]); reflectionmatrix[6] = -2 * plane[1] * plane[2]; reflectionmatrix[7] = 0; reflectionmatrix[8] = -2 * plane[0] * plane[2]; reflectionmatrix[9] = -2 * plane[1] * plane[2]; reflectionmatrix[10] = 1 - (2 * plane[2] * plane[2]); reflectionmatrix[11] = 0; reflectionmatrix[12] = 2 * pv * plane[0]; reflectionmatrix[13] = 2 * pv * plane[1]; reflectionmatrix[14] = 2 * pv * plane[2]; reflectionmatrix[15] = 1; bglMultMatrixf(reflectionmatrix); bglPushMatrix(); bglLoadMatrixf(curskymodelviewmatrix); bglMultMatrixf(reflectionmatrix); bglGetFloatv(GL_MODELVIEW_MATRIX, curskymodelviewmatrix); bglPopMatrix(); } static void polymer_animatesprites(void) { if (asi.animatesprites) asi.animatesprites(globalposx, globalposy, viewangle, asi.smoothratio); } static void polymer_clearmapdata(void) { int32_t i; i = 0; while (i < MAXSECTORS) { if (prsectors[i]) { if (prsectors[i]->verts) Bfree(prsectors[i]->verts); if (prsectors[i]->floor.buffer) Bfree(prsectors[i]->floor.buffer); if (prsectors[i]->ceil.buffer) Bfree(prsectors[i]->ceil.buffer); if (prsectors[i]->floor.indices) Bfree(prsectors[i]->floor.indices); if (prsectors[i]->ceil.indices) Bfree(prsectors[i]->ceil.indices); if (prsectors[i]->ceil.vbo) bglDeleteBuffersARB(1, &prsectors[i]->ceil.vbo); if (prsectors[i]->ceil.ivbo) bglDeleteBuffersARB(1, &prsectors[i]->ceil.ivbo); if (prsectors[i]->floor.vbo) bglDeleteBuffersARB(1, &prsectors[i]->floor.vbo); if (prsectors[i]->floor.ivbo) bglDeleteBuffersARB(1, &prsectors[i]->floor.ivbo); Bfree(prsectors[i]); prsectors[i] = NULL; } i++; } i = 0; while (i < MAXWALLS) { if (prwalls[i]) { if (prwalls[i]->bigportal) Bfree(prwalls[i]->bigportal); if (prwalls[i]->mask.buffer) Bfree(prwalls[i]->mask.buffer); if (prwalls[i]->cap) Bfree(prwalls[i]->cap); if (prwalls[i]->wall.buffer) Bfree(prwalls[i]->wall.buffer); if (prwalls[i]->wall.vbo) bglDeleteBuffersARB(1, &prwalls[i]->wall.vbo); if (prwalls[i]->over.vbo) bglDeleteBuffersARB(1, &prwalls[i]->over.vbo); if (prwalls[i]->mask.vbo) bglDeleteBuffersARB(1, &prwalls[i]->mask.vbo); if (prwalls[i]->stuffvbo) bglDeleteBuffersARB(1, &prwalls[i]->stuffvbo); Bfree(prwalls[i]); prwalls[i] = NULL; } i++; } } static void polymer_editorselect(void) { int32_t i, n; double ox, oy, oz, ox2, oy2, oz2, px[6], py[6], pz[6]; //Polymost supports true look up/down :) Here, we convert horizon to angle. //gchang&gshang are cos&sin of this angle (respectively) ghalfx = (double)halfxdimen; grhalfxdown10 = 1.0/(((double)ghalfx)*1024); ghoriz = (double)globalhoriz; gvisibility = ((float)globalvisibility)*FOGSCALE; ghoriz = (double)(ydimen>>1); //global cos/sin tilt angle gctang = cos(gtang); gstang = sin(gtang); if (fabs(gstang) < .001) //This hack avoids nasty precision bugs in domost() { gstang = 0; if (gctang > 0) gctang = 1.0; else gctang = -1.0; } //Generate viewport trapezoid (for handling screen up/down) px[0] = px[3] = 0-1; px[1] = px[2] = windowx2+1-windowx1+2; py[0] = py[1] = 0-1; py[2] = py[3] = windowy2+1-windowy1+2; n = 4; for (i=0; i>12,vy>>12,vz>>8,&hitinfo,0xffff0030); getzsofslope(hitinfo.hitsect,hitinfo.pos.x,hitinfo.pos.y,&cz,&fz); hitallsprites = 0; searchsector = hitinfo.hitsect; if (hitinfo.pos.zfz) searchstat = 2; else if (hitinfo.hitwall >= 0) { searchwall = hitinfo.hitwall; searchstat = 0; if (wall[hitinfo.hitwall].nextwall >= 0) { int32_t cz, fz; getzsofslope(wall[hitinfo.hitwall].nextsector,hitinfo.pos.x,hitinfo.pos.y,&cz,&fz); if (hitinfo.pos.z > fz) { if (wall[hitinfo.hitwall].cstat&2) //'2' bottoms of walls searchwall = wall[hitinfo.hitwall].nextwall; } else if ((hitinfo.pos.z > cz) && (wall[hitinfo.hitwall].cstat&(16+32))) //masking or 1-way searchstat = 4; } } else if (hitinfo.hitsprite >= 0) { searchwall = hitinfo.hitsprite; searchstat = 3; } else { int32_t cz, fz; getzsofslope(hitinfo.hitsect,hitinfo.pos.x,hitinfo.pos.y,&cz,&fz); if ((hitinfo.pos.z<<1) < cz+fz) searchstat = 1; else searchstat = 2; //if (vz < 0) searchstat = 1; else searchstat = 2; //Won't work for slopes :/ } searchit = 0; } } // SECTORS static int32_t polymer_initsector(int16_t sectnum) { sectortype *sec; _prsector* s; if (pr_verbosity >= 2) OSD_Printf("PR : Initalizing sector %i...\n", sectnum); sec = §or[sectnum]; s = Bcalloc(1, sizeof(_prsector)); if (s == NULL) { if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize sector %i : Bmalloc failed.\n", sectnum); return (0); } s->verts = Bcalloc(sec->wallnum, sizeof(GLdouble) * 3); s->floor.buffer = Bcalloc(sec->wallnum, sizeof(GLfloat) * 5); s->floor.vertcount = sec->wallnum; s->ceil.buffer = Bcalloc(sec->wallnum, sizeof(GLfloat) * 5); s->ceil.vertcount = sec->wallnum; if ((s->verts == NULL) || (s->floor.buffer == NULL) || (s->ceil.buffer == NULL)) { if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize geometry of sector %i : Bmalloc failed.\n", sectnum); return (0); } bglGenBuffersARB(1, &s->floor.vbo); bglGenBuffersARB(1, &s->ceil.vbo); bglGenBuffersARB(1, &s->floor.ivbo); bglGenBuffersARB(1, &s->ceil.ivbo); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, s->floor.vbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, sec->wallnum * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, s->ceil.vbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, sec->wallnum * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); s->controlstate = 2; // let updatesector know that everything needs to go prsectors[sectnum] = s; if (pr_verbosity >= 2) OSD_Printf("PR : Initalized sector %i.\n", sectnum); return (1); } static int32_t polymer_updatesector(int16_t sectnum) { _prsector* s; sectortype *sec; walltype *wal; int32_t i, j; int32_t ceilz, florz; int32_t tex, tey, heidiff; float secangcos, secangsin, scalecoef, xpancoef, ypancoef; int32_t ang, needfloor, wallinvalidate; int16_t curstat, curpicnum, floorpicnum, ceilingpicnum; char curxpanning, curypanning; GLfloat* curbuffer; s = prsectors[sectnum]; sec = §or[sectnum]; secangcos = secangsin = 2; if (s == NULL) { if (pr_verbosity >= 1) OSD_Printf("PR : Can't update uninitialized sector %i.\n", sectnum); return (-1); } needfloor = wallinvalidate = 0; // geometry wal = &wall[sec->wallptr]; i = 0; while (i < sec->wallnum) { if ((-wal->x != s->verts[(i*3)+2])) { s->verts[(i*3)+2] = s->floor.buffer[(i*5)+2] = s->ceil.buffer[(i*5)+2] = -wal->x; needfloor = wallinvalidate = 1; } if ((wal->y != s->verts[i*3])) { s->verts[i*3] = s->floor.buffer[i*5] = s->ceil.buffer[i*5] = wal->y; needfloor = wallinvalidate = 1; } i++; wal = &wall[sec->wallptr + i]; } if ((s->controlstate == 2) || needfloor || (sec->floorz != s->floorz) || (sec->ceilingz != s->ceilingz) || (sec->floorheinum != s->floorheinum) || (sec->ceilingheinum != s->ceilingheinum)) { wallinvalidate = 1; wal = &wall[sec->wallptr]; i = 0; while (i < sec->wallnum) { getzsofslope(sectnum, wal->x, wal->y, &ceilz, &florz); s->floor.buffer[(i*5)+1] = -(float)(florz) / 16.0f; s->ceil.buffer[(i*5)+1] = -(float)(ceilz) / 16.0f; i++; wal = &wall[sec->wallptr + i]; } s->floorz = sec->floorz; s->ceilingz = sec->ceilingz; s->floorheinum = sec->floorheinum; s->ceilingheinum = sec->ceilingheinum; } floorpicnum = sec->floorpicnum; if (picanm[floorpicnum]&192) floorpicnum += animateoffs(floorpicnum,sectnum); ceilingpicnum = sec->ceilingpicnum; if (picanm[ceilingpicnum]&192) ceilingpicnum += animateoffs(ceilingpicnum,sectnum); if ((s->controlstate != 2) && (!needfloor) && (sec->floorstat == s->floorstat) && (sec->ceilingstat == s->ceilingstat) && (floorpicnum == s->floorpicnum) && (ceilingpicnum == s->ceilingpicnum) && (sec->floorxpanning == s->floorxpanning) && (sec->ceilingxpanning == s->ceilingxpanning) && (sec->floorypanning == s->floorypanning) && (sec->ceilingypanning == s->ceilingypanning)) goto attributes; wal = &wall[sec->wallptr]; i = 0; while (i < sec->wallnum) { j = 2; curstat = sec->floorstat; curbuffer = s->floor.buffer; curpicnum = floorpicnum; curxpanning = sec->floorxpanning; curypanning = sec->floorypanning; while (j) { if (j == 1) { curstat = sec->ceilingstat; curbuffer = s->ceil.buffer; curpicnum = ceilingpicnum; curxpanning = sec->ceilingxpanning; curypanning = sec->ceilingypanning; } if (!waloff[curpicnum]) loadtile(curpicnum); if (((sec->floorstat & 64) || (sec->ceilingstat & 64)) && ((secangcos == 2) && (secangsin == 2))) { ang = (getangle(wall[wal->point2].x - wal->x, wall[wal->point2].y - wal->y) + 512) & 2047; secangcos = (float)(sintable[(ang+512)&2047]) / 16383.0f; secangsin = (float)(sintable[ang&2047]) / 16383.0f; } // relative texturing if (curstat & 64) { xpancoef = wal->x - wall[sec->wallptr].x; ypancoef = wall[sec->wallptr].y - wal->y; tex = xpancoef * secangsin + ypancoef * secangcos; tey = xpancoef * secangcos - ypancoef * secangsin; } else { tex = wal->x; tey = -wal->y; } if ((curstat & (2+64)) == (2+64)) { heidiff = curbuffer[(i*5)+1] - curbuffer[1]; // don't forget the sign, tey could be negative with concave sectors if (tey >= 0) tey = sqrt((tey * tey) + (heidiff * heidiff)); else tey = -sqrt((tey * tey) + (heidiff * heidiff)); } if (curstat & 4) swaplong(&tex, &tey); if (curstat & 16) tex = -tex; if (curstat & 32) tey = -tey; scalecoef = (curstat & 8) ? 8.0f : 16.0f; if (curxpanning) { xpancoef = (float)(pow2long[picsiz[curpicnum] & 15]); xpancoef *= (float)(curxpanning) / (256.0f * (float)(tilesizx[curpicnum])); } else xpancoef = 0; if (curypanning) { ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]); ypancoef *= (float)(curypanning) / (256.0f * (float)(tilesizy[curpicnum])); } else ypancoef = 0; curbuffer[(i*5)+3] = ((float)(tex) / (scalecoef * tilesizx[curpicnum])) + xpancoef; curbuffer[(i*5)+4] = ((float)(tey) / (scalecoef * tilesizy[curpicnum])) + ypancoef; j--; } i++; wal = &wall[sec->wallptr + i]; } s->floorstat = sec->floorstat; s->ceilingstat = sec->ceilingstat; s->floorxpanning = sec->floorxpanning; s->ceilingxpanning = sec->ceilingxpanning; s->floorypanning = sec->floorypanning; s->ceilingypanning = sec->ceilingypanning; i = -1; attributes: if ((pr_vbos > 0) && ((i == -1) || (wallinvalidate))) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, s->floor.vbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sec->wallnum * sizeof(GLfloat) * 5, s->floor.buffer); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, s->ceil.vbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sec->wallnum * sizeof(GLfloat) * 5, s->ceil.buffer); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } if ((s->controlstate != 2) && (sec->floorshade == s->floorshade) && (sec->floorpal == s->floorpal) && (floorpicnum == s->floorpicnum) && (ceilingpicnum == s->ceilingpicnum)) goto finish; polymer_getbuildmaterial(&s->floor.material, floorpicnum, sec->floorpal, sec->floorshade); polymer_getbuildmaterial(&s->ceil.material, ceilingpicnum, sec->ceilingpal, sec->ceilingshade); s->floorshade = sec->floorshade; s->floorpal = sec->floorpal; s->floorpicnum = floorpicnum; s->ceilingpicnum = ceilingpicnum; finish: if (needfloor) { polymer_buildfloor(sectnum); if ((pr_vbos > 0)) { if (s->oldindicescount < s->indicescount) { bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->floor.ivbo); bglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->indicescount * sizeof(GLushort), NULL, mapvbousage); bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->ceil.ivbo); bglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->indicescount * sizeof(GLushort), NULL, mapvbousage); s->oldindicescount = s->indicescount; } bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->floor.ivbo); bglBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, s->indicescount * sizeof(GLushort), s->floor.indices); bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->ceil.ivbo); bglBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, s->indicescount * sizeof(GLushort), s->ceil.indices); bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0); } } if (wallinvalidate) { s->invalidid++; polymer_computeplane(&s->floor); polymer_computeplane(&s->ceil); } s->controlstate = 1; if (pr_verbosity >= 3) OSD_Printf("PR : Updated sector %i.\n", sectnum); return (0); } void PR_CALLBACK polymer_tesserror(GLenum error) { // This callback is called by the tesselator whenever it raises an error. if (pr_verbosity >= 1) OSD_Printf("PR : Tesselation error number %i reported : %s.\n", error, bgluErrorString(errno)); } void PR_CALLBACK polymer_tessedgeflag(GLenum error) { // Passing an edgeflag callback forces the tesselator to output a triangle list UNREFERENCED_PARAMETER(error); return; } void PR_CALLBACK polymer_tessvertex(void* vertex, void* sector) { _prsector* s; s = (_prsector*)sector; if (s->curindice >= s->indicescount) { if (pr_verbosity >= 2) OSD_Printf("PR : Indice overflow, extending the indices list... !\n"); s->indicescount++; s->floor.indices = Brealloc(s->floor.indices, s->indicescount * sizeof(GLushort)); s->ceil.indices = Brealloc(s->ceil.indices, s->indicescount * sizeof(GLushort)); } s->ceil.indices[s->curindice] = (intptr_t)vertex; s->curindice++; } static int32_t polymer_buildfloor(int16_t sectnum) { // This function tesselates the floor/ceiling of a sector and stores the triangles in a display list. _prsector* s; sectortype *sec; intptr_t i; if (pr_verbosity >= 2) OSD_Printf("PR : Tesselating floor of sector %i...\n", sectnum); s = prsectors[sectnum]; sec = §or[sectnum]; if (s == NULL) return (-1); if (s->floor.indices == NULL) { s->indicescount = (sec->wallnum - 2) * 3; s->floor.indices = Bcalloc(s->indicescount, sizeof(GLushort)); s->ceil.indices = Bcalloc(s->indicescount, sizeof(GLushort)); } s->curindice = 0; bgluTessCallback(prtess, GLU_TESS_VERTEX_DATA, polymer_tessvertex); bgluTessCallback(prtess, GLU_TESS_EDGE_FLAG, polymer_tessedgeflag); bgluTessCallback(prtess, GLU_TESS_ERROR, polymer_tesserror); bgluTessProperty(prtess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_POSITIVE); bgluTessBeginPolygon(prtess, s); bgluTessBeginContour(prtess); i = 0; while (i < sec->wallnum) { bgluTessVertex(prtess, s->verts + (3 * i), (void *)i); if ((i != (sec->wallnum - 1)) && ((sec->wallptr + i) > wall[sec->wallptr + i].point2)) { bgluTessEndContour(prtess); bgluTessBeginContour(prtess); } i++; } bgluTessEndContour(prtess); bgluTessEndPolygon(prtess); i = 0; while (i < s->indicescount) { s->floor.indices[s->indicescount - i - 1] = s->ceil.indices[i]; i++; } s->floor.indicescount = s->ceil.indicescount = s->indicescount; if (pr_verbosity >= 2) OSD_Printf("PR : Tesselated floor of sector %i.\n", sectnum); return (1); } static void polymer_drawsector(int16_t sectnum) { sectortype *sec; _prsector* s; if (pr_verbosity >= 3) OSD_Printf("PR : Drawing sector %i...\n", sectnum); sec = §or[sectnum]; s = prsectors[sectnum]; fogcalc(sec->floorshade,sec->visibility,sec->floorpal); bglFogf(GL_FOG_DENSITY,fogresult); bglFogfv(GL_FOG_COLOR,fogcol); if (!(sec->floorstat & 1)) polymer_drawplane(&s->floor); fogcalc(sec->ceilingshade,sec->visibility,sec->ceilingpal); bglFogf(GL_FOG_DENSITY,fogresult); bglFogfv(GL_FOG_COLOR,fogcol); if (!(sec->ceilingstat & 1)) polymer_drawplane(&s->ceil); if (pr_verbosity >= 3) OSD_Printf("PR : Finished drawing sector %i...\n", sectnum); } // WALLS static int32_t polymer_initwall(int16_t wallnum) { _prwall *w; if (pr_verbosity >= 2) OSD_Printf("PR : Initalizing wall %i...\n", wallnum); w = Bcalloc(1, sizeof(_prwall)); if (w == NULL) { if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize wall %i : Bmalloc failed.\n", wallnum); return (0); } if (w->mask.buffer == NULL) { w->mask.buffer = Bcalloc(4, sizeof(GLfloat) * 5); w->mask.vertcount = 4; } if (w->bigportal == NULL) w->bigportal = Bcalloc(4, sizeof(GLfloat) * 5); if (w->cap == NULL) w->cap = Bcalloc(4, sizeof(GLfloat) * 3); bglGenBuffersARB(1, &w->wall.vbo); bglGenBuffersARB(1, &w->over.vbo); bglGenBuffersARB(1, &w->mask.vbo); bglGenBuffersARB(1, &w->stuffvbo); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->wall.vbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->over.vbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->mask.vbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->stuffvbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 8 * sizeof(GLfloat) * 5, NULL, mapvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); w->controlstate = 2; prwalls[wallnum] = w; if (pr_verbosity >= 2) OSD_Printf("PR : Initalized wall %i.\n", wallnum); return (1); } static void polymer_updatewall(int16_t wallnum) { int16_t nwallnum, nnwallnum, curpicnum, wallpicnum, walloverpicnum, nwallpicnum; char curxpanning, curypanning, underwall, overwall, curpal; int8_t curshade; walltype *wal; sectortype *sec, *nsec; _prwall *w; _prsector *s, *ns; int32_t xref, yref; float ypancoef, dist; int32_t i; uint32_t invalid; // yes, this function is messy and unefficient // it also works, bitches wal = &wall[wallnum]; nwallnum = wal->nextwall; sec = §or[sectorofwall(wallnum)]; if (sec->wallptr > wallnum) return; // the map is horribly corrupt w = prwalls[wallnum]; s = prsectors[sectorofwall(wallnum)]; invalid = s->invalidid; if (nwallnum != -1) { ns = prsectors[wal->nextsector]; invalid += ns->invalidid; nsec = §or[wal->nextsector]; } else { ns = NULL; nsec = NULL; } if (w->wall.buffer == NULL) { w->wall.buffer = Bcalloc(4, sizeof(GLfloat) * 5); w->wall.vertcount = 4; } wallpicnum = wal->picnum; if (picanm[wallpicnum]&192) wallpicnum += animateoffs(wallpicnum,wallnum+16384); walloverpicnum = wal->overpicnum; if (picanm[walloverpicnum]&192) walloverpicnum += animateoffs(walloverpicnum,wallnum+16384); if (nwallnum != -1) { nwallpicnum = wall[nwallnum].picnum; if (picanm[nwallpicnum]&192) nwallpicnum += animateoffs(nwallpicnum,wallnum+16384); } else nwallpicnum = 0; if ((w->controlstate != 2) && (w->invalidid == invalid) && (wal->cstat == w->cstat) && (wallpicnum == w->picnum) && (wal->pal == w->pal) && (wal->xpanning == w->xpanning) && (wal->ypanning == w->ypanning) && (wal->xrepeat == w->xrepeat) && (wal->yrepeat == w->yrepeat) && (walloverpicnum == w->overpicnum) && (wal->shade == w->shade) && ((nwallnum == -1) || ((nwallpicnum == w->nwallpicnum) && (wall[nwallnum].xpanning == w->nwallxpanning) && (wall[nwallnum].ypanning == w->nwallypanning) && (wall[nwallnum].cstat == w->nwallcstat)))) { w->controlstate = 1; return; // screw you guys I'm going home } else { w->invalidid = invalid; w->cstat = wal->cstat; w->picnum = wallpicnum; w->pal = wal->pal; w->xpanning = wal->xpanning; w->ypanning = wal->ypanning; w->xrepeat = wal->xrepeat; w->yrepeat = wal->yrepeat; w->overpicnum = walloverpicnum; w->shade = wal->shade; if (nwallnum != -1) { w->nwallpicnum = nwallpicnum; w->nwallxpanning = wall[nwallnum].xpanning; w->nwallypanning = wall[nwallnum].ypanning; w->nwallcstat = wall[nwallnum].cstat; } } w->underover = underwall = overwall = 0; if (wal->cstat & 8) xref = 1; else xref = 0; if (wal->nextsector == -1) { Bmemcpy(w->wall.buffer, &s->floor.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[5], &s->floor.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[10], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[15], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); if (wal->nextsector == -1) curpicnum = wallpicnum; else curpicnum = walloverpicnum; polymer_getbuildmaterial(&w->wall.material, curpicnum, wal->pal, wal->shade); if (wal->cstat & 4) yref = sec->floorz; else yref = sec->ceilingz; if ((wal->cstat & 32) && (wal->nextsector != -1)) { if ((!(wal->cstat & 2) && (wal->cstat & 4)) || ((wal->cstat & 2) && (wall[nwallnum].cstat & 4))) yref = sec->ceilingz; else yref = nsec->floorz; } if (wal->ypanning) { ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]); if (ypancoef < tilesizy[curpicnum]) ypancoef *= 2; ypancoef *= (float)(wal->ypanning) / (256.0f * (float)(tilesizy[curpicnum])); } else ypancoef = 0; i = 0; while (i < 4) { if ((i == 0) || (i == 3)) dist = xref; else dist = (xref == 0); w->wall.buffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[curpicnum]); w->wall.buffer[(i * 5) + 4] = (-(float)(yref + (w->wall.buffer[(i * 5) + 1] * 16)) / ((tilesizy[curpicnum] * 2048.0f) / (float)(wal->yrepeat))) + ypancoef; if (wal->cstat & 256) w->wall.buffer[(i * 5) + 4] = -w->wall.buffer[(i * 5) + 4]; i++; } w->underover |= 1; } else { nnwallnum = wall[nwallnum].point2; if ((s->floor.buffer[((wallnum - sec->wallptr) * 5) + 1] < ns->floor.buffer[((nnwallnum - nsec->wallptr) * 5) + 1]) || (s->floor.buffer[((wal->point2 - sec->wallptr) * 5) + 1] < ns->floor.buffer[((nwallnum - nsec->wallptr) * 5) + 1])) underwall = 1; if ((underwall) || (wal->cstat & 16) || (wal->cstat & 32)) { if (s->floor.buffer[((wallnum - sec->wallptr) * 5) + 1] < ns->floor.buffer[((nnwallnum - nsec->wallptr) * 5) + 1]) Bmemcpy(w->wall.buffer, &s->floor.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); else Bmemcpy(w->wall.buffer, &ns->floor.buffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[5], &s->floor.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[10], &ns->floor.buffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->wall.buffer[15], &ns->floor.buffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); if (wal->cstat & 2) { curpicnum = nwallpicnum; curpal = wall[nwallnum].pal; curshade = wall[nwallnum].shade; curxpanning = wall[nwallnum].xpanning; curypanning = wall[nwallnum].ypanning; } else { curpicnum = wallpicnum; curpal = wal->pal; curshade = wal->shade; curxpanning = wal->xpanning; curypanning = wal->ypanning; } polymer_getbuildmaterial(&w->wall.material, curpicnum, curpal, curshade); if ((!(wal->cstat & 2) && (wal->cstat & 4)) || ((wal->cstat & 2) && (wall[nwallnum].cstat & 4))) yref = sec->ceilingz; else yref = nsec->floorz; if (curypanning) { ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]); if (ypancoef < tilesizy[curpicnum]) ypancoef *= 2; ypancoef *= (float)(curypanning) / (256.0f * (float)(tilesizy[curpicnum])); } else ypancoef = 0; i = 0; while (i < 4) { if ((i == 0) || (i == 3)) dist = xref; else dist = (xref == 0); w->wall.buffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + curxpanning) / (float)(tilesizx[curpicnum]); w->wall.buffer[(i * 5) + 4] = (-(float)(yref + (w->wall.buffer[(i * 5) + 1] * 16)) / ((tilesizy[curpicnum] * 2048.0f) / (float)(wal->yrepeat))) + ypancoef; if (wal->cstat & 256) w->wall.buffer[(i * 5) + 4] = -w->wall.buffer[(i * 5) + 4]; i++; } if (underwall) { w->underover |= 1; if ((sec->floorstat & 1) && (nsec->floorstat & 1)) w->underover |= 4; } Bmemcpy(w->mask.buffer, &w->wall.buffer[15], sizeof(GLfloat) * 5); Bmemcpy(&w->mask.buffer[5], &w->wall.buffer[10], sizeof(GLfloat) * 5); } else { Bmemcpy(w->mask.buffer, &s->floor.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 5); Bmemcpy(&w->mask.buffer[5], &s->floor.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 5); } if ((s->ceil.buffer[((wallnum - sec->wallptr) * 5) + 1] > ns->ceil.buffer[((nnwallnum - nsec->wallptr) * 5) + 1]) || (s->ceil.buffer[((wal->point2 - sec->wallptr) * 5) + 1] > ns->ceil.buffer[((nwallnum - nsec->wallptr) * 5) + 1])) overwall = 1; if ((overwall) || (wal->cstat & 16) || (wal->cstat & 32)) { if (w->over.buffer == NULL) { w->over.buffer = Bcalloc(4, sizeof(GLfloat) * 5); w->over.vertcount = 4; } Bmemcpy(w->over.buffer, &ns->ceil.buffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->over.buffer[5], &ns->ceil.buffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); if (s->ceil.buffer[((wal->point2 - sec->wallptr) * 5) + 1] > ns->ceil.buffer[((nwallnum - nsec->wallptr) * 5) + 1]) Bmemcpy(&w->over.buffer[10], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); else Bmemcpy(&w->over.buffer[10], &ns->ceil.buffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->over.buffer[15], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); if ((wal->cstat & 16) || (wal->overpicnum == 0)) curpicnum = wallpicnum; else curpicnum = wallpicnum; polymer_getbuildmaterial(&w->over.material, curpicnum, wal->pal, wal->shade); if ((wal->cstat & 16) || (wal->cstat & 32)) { // mask polymer_getbuildmaterial(&w->mask.material, walloverpicnum, wal->pal, wal->shade); if (wal->cstat & 128) { if (wal->cstat & 512) w->mask.material.diffusemodulation[3] = 0.33f; else w->mask.material.diffusemodulation[3] = 0.66f; } } if (wal->cstat & 4) yref = sec->ceilingz; else yref = nsec->ceilingz; if (wal->ypanning) { ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]); if (ypancoef < tilesizy[curpicnum]) ypancoef *= 2; ypancoef *= (float)(wal->ypanning) / (256.0f * (float)(tilesizy[curpicnum])); } else ypancoef = 0; i = 0; while (i < 4) { if ((i == 0) || (i == 3)) dist = xref; else dist = (xref == 0); w->over.buffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[curpicnum]); w->over.buffer[(i * 5) + 4] = (-(float)(yref + (w->over.buffer[(i * 5) + 1] * 16)) / ((tilesizy[curpicnum] * 2048.0f) / (float)(wal->yrepeat))) + ypancoef; if (wal->cstat & 256) w->over.buffer[(i * 5) + 4] = -w->over.buffer[(i * 5) + 4]; i++; } if (overwall) { w->underover |= 2; if ((sec->ceilingstat & 1) && (nsec->ceilingstat & 1)) w->underover |= 8; } Bmemcpy(&w->mask.buffer[10], &w->over.buffer[5], sizeof(GLfloat) * 5); Bmemcpy(&w->mask.buffer[15], &w->over.buffer[0], sizeof(GLfloat) * 5); if ((wal->cstat & 16) || (wal->cstat & 32)) { // mask wall pass if (wal->cstat & 4) yref = min(sec->floorz, nsec->floorz); else yref = max(sec->ceilingz, nsec->ceilingz); if (wal->cstat & 32) { if ((!(wal->cstat & 2) && (wal->cstat & 4)) || ((wal->cstat & 2) && (wall[nwallnum].cstat & 4))) yref = sec->ceilingz; else yref = nsec->ceilingz; } curpicnum = walloverpicnum; if (wal->ypanning) { ypancoef = (float)(pow2long[picsiz[curpicnum] >> 4]); if (ypancoef < tilesizy[curpicnum]) ypancoef *= 2; ypancoef *= (float)(wal->ypanning) / (256.0f * (float)(tilesizy[curpicnum])); } else ypancoef = 0; i = 0; while (i < 4) { if ((i == 0) || (i == 3)) dist = xref; else dist = (xref == 0); w->mask.buffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[curpicnum]); w->mask.buffer[(i * 5) + 4] = (-(float)(yref + (w->mask.buffer[(i * 5) + 1] * 16)) / ((tilesizy[curpicnum] * 2048.0f) / (float)(wal->yrepeat))) + ypancoef; if (wal->cstat & 256) w->mask.buffer[(i * 5) + 4] = -w->mask.buffer[(i * 5) + 4]; i++; } } } else { Bmemcpy(&w->mask.buffer[10], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 5); Bmemcpy(&w->mask.buffer[15], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 5); } } if (wal->nextsector == -1) Bmemcpy(w->mask.buffer, w->wall.buffer, sizeof(GLfloat) * 4 * 5); Bmemcpy(w->bigportal, &s->floor.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->bigportal[5], &s->floor.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->bigportal[10], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->bigportal[15], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->cap[0], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->cap[3], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->cap[6], &s->ceil.buffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3); Bmemcpy(&w->cap[9], &s->ceil.buffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3); w->cap[7] += 1048576; // this number is the result of 1048574 + 2 w->cap[10] += 1048576; // this one is arbitrary if (w->underover & 1) polymer_computeplane(&w->wall); if (w->underover & 2) polymer_computeplane(&w->over); polymer_computeplane(&w->mask); if ((pr_vbos > 0)) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->wall.vbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 4 * sizeof(GLfloat) * 5, w->wall.buffer); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->over.vbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 4 * sizeof(GLfloat) * 5, w->over.buffer); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->mask.vbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 4 * sizeof(GLfloat) * 5, w->mask.buffer); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->stuffvbo); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 4 * sizeof(GLfloat) * 5, w->bigportal); bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5, 4 * sizeof(GLfloat) * 3, w->cap); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } w->controlstate = 1; if (pr_verbosity >= 3) OSD_Printf("PR : Updated wall %i.\n", wallnum); } static void polymer_drawwall(int16_t sectnum, int16_t wallnum) { sectortype *sec; walltype *wal; _prwall *w; if (pr_verbosity >= 3) OSD_Printf("PR : Drawing wall %i...\n", wallnum); sec = §or[sectnum]; wal = &wall[wallnum]; w = prwalls[wallnum]; fogcalc(wal->shade,sec->visibility,sec->floorpal); bglFogf(GL_FOG_DENSITY,fogresult); bglFogfv(GL_FOG_COLOR,fogcol); if ((w->underover & 1) && !(w->underover & 4)) { polymer_drawplane(&w->wall); } if ((w->underover & 2) && !(w->underover & 8)) { polymer_drawplane(&w->over); } if ((wall[wallnum].cstat & 32) && (wall[wallnum].nextsector != -1)) polymer_drawplane(&w->mask); if ((sector[sectnum].ceilingstat & 1) && ((wall[wallnum].nextsector == -1) || !(sector[wall[wallnum].nextsector].ceilingstat & 1))) { bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); if (pr_vbos) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, w->stuffvbo); bglVertexPointer(3, GL_FLOAT, 0, (const GLvoid*)(4 * sizeof(GLfloat) * 5)); } else bglVertexPointer(3, GL_FLOAT, 0, w->cap); bglDrawArrays(GL_QUADS, 0, 4); if (pr_vbos) bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); } if (pr_verbosity >= 3) OSD_Printf("PR : Finished drawing wall %i...\n", wallnum); } #define INDICE(n) ((p->indices) ? (p->indices[i+n]*5) : ((i+n)*5)) // HSR static void polymer_computeplane(_prplane* p) { GLfloat vec1[5], vec2[5], norm, r;// BxN[3], NxT[3], TxB[3]; int32_t i; GLfloat* buffer; GLfloat* t; GLfloat* b; GLfloat* n; GLfloat* plane; if (p->indices && (p->indicescount < 3)) return; // corrupt sector (E3L4, I'm looking at you) buffer = p->buffer; t = p->t; b = p->b; n = p->n; plane = p->plane; i = 0; do { vec1[0] = buffer[(INDICE(1)) + 0] - buffer[(INDICE(0)) + 0]; //x1 vec1[1] = buffer[(INDICE(1)) + 1] - buffer[(INDICE(0)) + 1]; //y1 vec1[2] = buffer[(INDICE(1)) + 2] - buffer[(INDICE(0)) + 2]; //z1 vec1[3] = buffer[(INDICE(1)) + 3] - buffer[(INDICE(0)) + 3]; //s1 vec1[4] = buffer[(INDICE(1)) + 4] - buffer[(INDICE(0)) + 4]; //t1 vec2[0] = buffer[(INDICE(2)) + 0] - buffer[(INDICE(1)) + 0]; //x2 vec2[1] = buffer[(INDICE(2)) + 1] - buffer[(INDICE(1)) + 1]; //y2 vec2[2] = buffer[(INDICE(2)) + 2] - buffer[(INDICE(1)) + 2]; //z2 vec2[3] = buffer[(INDICE(2)) + 3] - buffer[(INDICE(1)) + 3]; //s2 vec2[4] = buffer[(INDICE(2)) + 4] - buffer[(INDICE(1)) + 4]; //t2 polymer_crossproduct(vec2, vec1, plane); norm = plane[0] * plane[0] + plane[1] * plane[1] + plane[2] * plane[2]; // hack to work around a precision issue with slopes if ((norm >= 15000) || (((p->indices) ? p->indices[i+2] : i+2) >= p->vertcount)) { // normalize the normal/plane equation and calculate its plane norm norm = -sqrt(norm); norm = 1.0 / norm; plane[0] *= norm; plane[1] *= norm; plane[2] *= norm; plane[3] = -(plane[0] * buffer[0] + plane[1] * buffer[1] + plane[2] * buffer[2]); // calculate T and B r = 1.0 / (vec1[3] * vec2[4] - vec2[3] * vec1[4]); // tangent t[0] = (vec2[4] * vec1[0] - vec1[4] * vec2[0]) * r; t[1] = (vec2[4] * vec1[1] - vec1[4] * vec2[1]) * r; t[2] = (vec2[4] * vec1[2] - vec1[4] * vec2[2]) * r; // bitangent b[0] = (vec1[3] * vec2[0] - vec2[3] * vec1[0]) * r; b[1] = (vec1[3] * vec2[1] - vec2[3] * vec1[1]) * r; b[2] = (vec1[3] * vec2[2] - vec2[3] * vec1[2]) * r; // // invert T, B and N // r = 1.0f / ((t[0] * b[1] * plane[2] - t[2] * b[1] * plane[0]) + // (b[0] * plane[1] * t[2] - b[2] * plane[1] * t[0]) + // (plane[0] * t[1] * b[2] - plane[2] * t[1] * b[0])); // // polymer_crossproduct(b, plane, BxN); // polymer_crossproduct(plane, t, NxT); // polymer_crossproduct(t, b, TxB); // // // GLSL matrix constructors are in column-major order // t[0] = BxN[0] * r; // t[1] = -NxT[0] * r; // t[2] = TxB[0] * r; // // b[0] = -BxN[1] * r; // b[1] = NxT[1] * r; // b[2] = -TxB[1] * r; // // n[0] = BxN[2] * r; // n[1] = -NxT[2] * r; // n[2] = TxB[2] * r; // normalize T, B and N norm = t[0] * t[0] + t[1] * t[1] + t[2] * t[2]; norm = sqrt(norm); norm = 1.0 / norm; t[0] *= norm; t[1] *= norm; t[2] *= norm; norm = b[0] * b[0] + b[1] * b[1] + b[2] * b[2]; norm = sqrt(norm); norm = 1.0 / norm; b[0] *= norm; b[1] *= norm; b[2] *= norm; norm = n[0] * n[0] + n[1] * n[1] + n[2] * n[2]; norm = sqrt(norm); norm = 1.0 / norm; n[0] *= norm; n[1] *= norm; n[2] *= norm; break; } i+= 1; } while ((i + 2) < p->indicescount); } static inline void polymer_crossproduct(GLfloat* in_a, GLfloat* in_b, GLfloat* out) { out[0] = in_a[1] * in_b[2] - in_a[2] * in_b[1]; out[1] = in_a[2] * in_b[0] - in_a[0] * in_b[2]; out[2] = in_a[0] * in_b[1] - in_a[1] * in_b[0]; } static inline void polymer_transformpoint(float* inpos, float* pos, float* matrix) { pos[0] = inpos[0] * matrix[0] + inpos[1] * matrix[4] + inpos[2] * matrix[8] + + matrix[12]; pos[1] = inpos[0] * matrix[1] + inpos[1] * matrix[5] + inpos[2] * matrix[9] + + matrix[13]; pos[2] = inpos[0] * matrix[2] + inpos[1] * matrix[6] + inpos[2] * matrix[10] + + matrix[14]; } static inline void polymer_pokesector(int16_t sectnum) { sectortype *sec; _prsector *s; walltype *wal; int32_t i; sec = §or[sectnum]; s = prsectors[sectnum]; wal = &wall[sec->wallptr]; if (!s->controlstate) polymer_updatesector(sectnum); i = 0; while (i < sec->wallnum) { if ((wal->nextsector != -1) && (!prsectors[wal->nextsector]->controlstate)) polymer_updatesector(wal->nextsector); if (!prwalls[sec->wallptr + i]->controlstate) polymer_updatewall(sec->wallptr + i); i++; wal = &wall[sec->wallptr + i]; } } static void polymer_extractfrustum(GLfloat* modelview, GLfloat* projection, float* frustum) { GLfloat matrix[16]; int32_t i; bglMatrixMode(GL_TEXTURE); bglLoadMatrixf(projection); bglMultMatrixf(modelview); bglGetFloatv(GL_TEXTURE_MATRIX, matrix); bglLoadIdentity(); bglMatrixMode(GL_MODELVIEW); i = 0; while (i < 4) { frustum[i] = matrix[(4 * i) + 3] + matrix[4 * i]; // left frustum[i + 4] = matrix[(4 * i) + 3] - matrix[4 * i]; // right frustum[i + 8] = matrix[(4 * i) + 3] - matrix[(4 * i) + 1]; // top frustum[i + 12] = matrix[(4 * i) + 3] + matrix[(4 * i) + 1]; // bottom frustum[i + 16] = matrix[(4 * i) + 3] - matrix[(4 * i) + 2]; // far i++; } i = 0; if (pr_verbosity >= 3) OSD_Printf("PR : Frustum extracted.\n"); } static int32_t polymer_planeinfrustum(_prplane *plane, float* frustum) { int32_t i, j, k; float sqdist; i = 0; while (i < 5) { j = k = 0; while (j < plane->vertcount) { sqdist = frustum[(i * 4) + 0] * plane->buffer[(j * 5) + 0] + frustum[(i * 4) + 1] * plane->buffer[(j * 5) + 1] + frustum[(i * 4) + 2] * plane->buffer[(j * 5) + 2] + frustum[(i * 4) + 3]; if (sqdist < 0) k++; j++; } if (k == plane->vertcount) return (0); // OUT ! i++; } return (1); } static inline void polymer_scansprites(int16_t sectnum, spritetype* localtsprite, int32_t* localspritesortcnt) { int32_t i; spritetype *spr; for (i = headspritesect[sectnum];i >=0;i = nextspritesect[i]) { spr = &sprite[i]; if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) && (spr->xrepeat > 0) && (spr->yrepeat > 0) && (*localspritesortcnt < MAXSPRITESONSCREEN)) { copybufbyte(spr,&localtsprite[*localspritesortcnt],sizeof(spritetype)); localtsprite[(*localspritesortcnt)++].owner = i; } } } // SKIES static void polymer_getsky(void) { int32_t i; i = 0; while (i < numsectors) { if (sector[i].ceilingstat & 1) { cursky = sector[i].ceilingpicnum; return; } i++; } } static void polymer_drawsky(int16_t tilenum) { float pos[3]; pthtyp* pth; pos[0] = globalposy; pos[1] = -(float)(globalposz) / 16.0f; pos[2] = -globalposx; bglPushMatrix(); bglLoadIdentity(); bglLoadMatrixf(curskymodelviewmatrix); bglTranslatef(pos[0], pos[1], pos[2]); bglScalef(1000.0f, 1000.0f, 1000.0f); drawingskybox = 1; pth = gltexcache(tilenum,0,0); drawingskybox = 0; if (pth && (pth->flags & 4)) polymer_drawskybox(tilenum); else polymer_drawartsky(tilenum); bglPopMatrix(); } static void polymer_initartsky(void) { GLfloat halfsqrt2 = 0.70710678f; artskydata[0] = -1.0f; artskydata[1] = 0.0f; // 0 artskydata[2] = -halfsqrt2; artskydata[3] = halfsqrt2; // 1 artskydata[4] = 0.0f; artskydata[5] = 1.0f; // 2 artskydata[6] = halfsqrt2; artskydata[7] = halfsqrt2; // 3 artskydata[8] = 1.0f; artskydata[9] = 0.0f; // 4 artskydata[10] = halfsqrt2; artskydata[11] = -halfsqrt2; // 5 artskydata[12] = 0.0f; artskydata[13] = -1.0f; // 6 artskydata[14] = -halfsqrt2; artskydata[15] = -halfsqrt2; // 7 } static void polymer_drawartsky(int16_t tilenum) { pthtyp* pth; GLuint glpics[5]; int32_t i, j; GLfloat height = 2.45f / 2.0f; i = 0; while (i < 5) { if (!waloff[tilenum + i]) loadtile(tilenum + i); pth = gltexcache(tilenum + i, 0, 0); glpics[i] = pth ? pth->glpic : 0; i++; } i = 0; j = (1< 0) && (skyboxdatavbo == 0)) { bglGenBuffersARB(1, &skyboxdatavbo); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, skyboxdatavbo); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, 4 * sizeof(GLfloat) * 5 * 6, skyboxdata, modelvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } if (pr_vbos > 0) bglBindBufferARB(GL_ARRAY_BUFFER_ARB, skyboxdatavbo); i = 0; while (i < 6) { drawingskybox = i + 1; pth = gltexcache(tilenum, 0, 4); bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0); if (pr_vbos > 0) { bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), (GLfloat*)(4 * 5 * i * sizeof(GLfloat))); bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), (GLfloat*)(((4 * 5 * i) + 3) * sizeof(GLfloat))); } else { bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), &skyboxdata[4 * 5 * i]); bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &skyboxdata[3 + (4 * 5 * i)]); } bglDrawArrays(GL_QUADS, 0, 4); i++; } drawingskybox = 0; if (pr_vbos > 0) bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); return; } // MDSPRITES static void polymer_drawmdsprite(spritetype *tspr) { md3model_t* m; mdskinmap_t* sk; float *v0, *v1; md3surf_t *s; char lpal; float spos[3], tspos[3], lpos[3], tlpos[3], vec[3]; float ang; float scale; int32_t surfi, i; GLfloat* color; int32_t materialbits; float sradius, lradius; char modellights[PR_MAXLIGHTS]; char modellightcount; m = (md3model_t*)models[tile2model[Ptile2tile(tspr->picnum,sprite[tspr->owner].pal)].modelid]; updateanimation((md2model_t *)m,tspr); lpal = (tspr->owner >= MAXSPRITES) ? tspr->pal : sprite[tspr->owner].pal; if ((pr_vbos > 1) && (m->indices == NULL)) polymer_loadmodelvbos(m); spos[0] = tspr->y; spos[1] = -(float)(tspr->z) / 16.0f; spos[2] = -tspr->x; ang = (float)((tspr->ang+spriteext[tspr->owner].angoff) & 2047) / (2048.0f / 360.0f); ang -= 90.0f; if (((tspr->cstat>>4) & 3) == 2) ang -= 90.0f; bglMatrixMode(GL_MODELVIEW); bglPushMatrix(); bglLoadIdentity(); scale = (1.0/4.0); scale *= m->scale; scale *= m->bscale; bglTranslatef(spos[0], spos[1], spos[2]); bglRotatef(-ang, 0.0f, 1.0f, 0.0f); if (((tspr->cstat>>4) & 3) == 2) { bglTranslatef(0.0f, 0.0, -(float)(tilesizy[tspr->picnum] * tspr->yrepeat) / 8.0f); bglRotatef(90.0f, 0.0f, 0.0f, 1.0f); } else bglRotatef(-90.0f, 1.0f, 0.0f, 0.0f); if ((tspr->cstat & 128) && (((tspr->cstat>>4) & 3) != 2)) bglTranslatef(0.0f, 0.0, -(float)(tilesizy[tspr->picnum] * tspr->yrepeat) / 8.0f); if (tspr->cstat & 8) { bglTranslatef(0.0f, 0.0, (float)(tilesizy[tspr->picnum] * tspr->yrepeat) / 4.0f); bglScalef(1.0f, 1.0f, -1.0f); } if (tspr->cstat & 4) bglScalef(1.0f, -1.0f, 1.0f); bglScalef(scale * tspr->xrepeat, scale * tspr->xrepeat, scale * tspr->yrepeat); bglTranslatef(0.0f, 0.0, m->zadd * 64); // scripted model rotation if (spriteext[tspr->owner].pitch || spriteext[tspr->owner].roll) { float pitchang, rollang, offsets[3]; pitchang = (float)(spriteext[tspr->owner].pitch) / (2048.0f / 360.0f); rollang = (float)(spriteext[tspr->owner].roll) / (2048.0f / 360.0f); offsets[0] = -spriteext[tspr->owner].xoff / (scale * tspr->xrepeat); offsets[1] = -spriteext[tspr->owner].yoff / (scale * tspr->xrepeat); offsets[2] = (float)(spriteext[tspr->owner].zoff) / 16.0f / (scale * tspr->yrepeat); bglTranslatef(-offsets[0], -offsets[1], -offsets[2]); bglRotatef(pitchang, 0.0f, 1.0f, 0.0f); bglRotatef(rollang, -1.0f, 0.0f, 0.0f); bglTranslatef(offsets[0], offsets[1], offsets[2]); } bglGetFloatv(GL_MODELVIEW_MATRIX, spritemodelview); bglPopMatrix(); bglPushMatrix(); bglMultMatrixf(spritemodelview); // debug code for drawing the model bounding sphere // bglDisable(GL_TEXTURE_2D); // bglBegin(GL_LINES); // bglColor4f(1.0, 0.0, 0.0, 1.0); // bglVertex3f(m->head.frames[m->cframe].cen.x, // m->head.frames[m->cframe].cen.y, // m->head.frames[m->cframe].cen.z); // bglVertex3f(m->head.frames[m->cframe].cen.x + m->head.frames[m->cframe].r, // m->head.frames[m->cframe].cen.y, // m->head.frames[m->cframe].cen.z); // bglColor4f(0.0, 1.0, 0.0, 1.0); // bglVertex3f(m->head.frames[m->cframe].cen.x, // m->head.frames[m->cframe].cen.y, // m->head.frames[m->cframe].cen.z); // bglVertex3f(m->head.frames[m->cframe].cen.x, // m->head.frames[m->cframe].cen.y + m->head.frames[m->cframe].r, // m->head.frames[m->cframe].cen.z); // bglColor4f(0.0, 0.0, 1.0, 1.0); // bglVertex3f(m->head.frames[m->cframe].cen.x, // m->head.frames[m->cframe].cen.y, // m->head.frames[m->cframe].cen.z); // bglVertex3f(m->head.frames[m->cframe].cen.x, // m->head.frames[m->cframe].cen.y, // m->head.frames[m->cframe].cen.z + m->head.frames[m->cframe].r); // bglEnd(); // bglEnable(GL_TEXTURE_2D); polymer_getscratchmaterial(&mdspritematerial); color = mdspritematerial.diffusemodulation; color[0] = color[1] = color[2] = ((float)(numpalookups-min(max((tspr->shade*shadescale)+m->shadeoff,0),numpalookups)))/((float)numpalookups); if (!(hictinting[tspr->pal].f&4)) { if (!(m->flags&1) || (!(tspr->owner >= MAXSPRITES) && sector[sprite[tspr->owner].sectnum].floorpal!=0)) { color[0] *= (float)hictinting[tspr->pal].r / 255.0; color[1] *= (float)hictinting[tspr->pal].g / 255.0; color[2] *= (float)hictinting[tspr->pal].b / 255.0; if (hictinting[MAXPALOOKUPS-1].r != 255 || hictinting[MAXPALOOKUPS-1].g != 255 || hictinting[MAXPALOOKUPS-1].b != 255) { color[0] *= (float)hictinting[MAXPALOOKUPS-1].r / 255.0; color[1] *= (float)hictinting[MAXPALOOKUPS-1].g / 255.0; color[2] *= (float)hictinting[MAXPALOOKUPS-1].b / 255.0; } } else globalnoeffect=1; //mdloadskin reads this } if (tspr->cstat & 2) { if (!(tspr->cstat&512)) color[3] = 0.66; else color[3] = 0.33; } else color[3] = 1.0; color[3] *= (1.0f - spriteext[tspr->owner].alpha); if (tspr->cstat & 16384) color[3] = 0.0f; if (pr_gpusmoothing) mdspritematerial.frameprogress = m->interpol; mdspritematerial.mdspritespace = GL_TRUE; modellightcount = 0; // light culling if (lightcount) { sradius = (m->head.frames[m->cframe].r * (1 - m->interpol)) + (m->head.frames[m->nframe].r * m->interpol); sradius *= max(scale * tspr->xrepeat, scale * tspr->yrepeat); sradius /= 1000.0f; spos[0] = (m->head.frames[m->cframe].cen.x * (1 - m->interpol)) + (m->head.frames[m->nframe].cen.x * m->interpol); spos[1] = (m->head.frames[m->cframe].cen.y * (1 - m->interpol)) + (m->head.frames[m->nframe].cen.y * m->interpol); spos[2] = (m->head.frames[m->cframe].cen.z * (1 - m->interpol)) + (m->head.frames[m->nframe].cen.z * m->interpol); polymer_transformpoint(spos, tspos, spritemodelview); polymer_transformpoint(tspos, spos, rootmodelviewmatrix); i = 0; while (i < lightcount) { lradius = prlights[i].range / 1000.0f; lpos[0] = prlights[i].y; lpos[1] = -prlights[i].z / 16.0f; lpos[2] = -prlights[i].x; polymer_transformpoint(lpos, tlpos, rootmodelviewmatrix); vec[0] = tlpos[0] - spos[0]; vec[0] *= vec[0]; vec[1] = tlpos[1] - spos[1]; vec[1] *= vec[1]; vec[2] = tlpos[2] - spos[2]; vec[2] *= vec[2]; if ((vec[0] + vec[1] + vec[2]) <= ((sradius+lradius) * (sradius+lradius))) { modellights[modellightcount] = i; modellightcount++; } i++; } } for (surfi=0;surfihead.numsurfs;surfi++) { s = &m->head.surfs[surfi]; v0 = &s->geometry[m->cframe*s->numverts*6]; v1 = &s->geometry[m->nframe*s->numverts*6]; // debug code for drawing model normals // bglDisable(GL_TEXTURE_2D); // bglBegin(GL_LINES); // bglColor4f(1.0, 1.0, 1.0, 1.0); // // int i = 0; // while (i < s->numverts) // { // bglVertex3f(v0[(i * 6) + 0], // v0[(i * 6) + 1], // v0[(i * 6) + 2]); // bglVertex3f(v0[(i * 6) + 0] + v0[(i * 6) + 3] * 100, // v0[(i * 6) + 1] + v0[(i * 6) + 4] * 100, // v0[(i * 6) + 2] + v0[(i * 6) + 5] * 100); // i++; // } // bglEnd(); // bglEnable(GL_TEXTURE_2D); mdspritematerial.diffusemap = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,tspr->pal,surfi); if (!mdspritematerial.diffusemap) continue; if (!(tspr->cstat&1024)) { mdspritematerial.detailmap = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,DETAILPAL,surfi); for (sk = m->skinmap; sk; sk = sk->next) if ((int32_t)sk->palette == DETAILPAL && sk->skinnum == tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum && sk->surfnum == surfi) mdspritematerial.detailscale[0] = mdspritematerial.detailscale[1] = sk->param; } for (sk = m->skinmap; sk; sk = sk->next) if ((int32_t)sk->palette == tspr->pal && sk->skinnum == tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum && sk->surfnum == surfi) { if (sk->specpower != 1.0) mdspritematerial.specmaterial[0] = sk->specpower; mdspritematerial.specmaterial[1] = sk->specfactor; } if (!(tspr->cstat&1024)) { mdspritematerial.glowmap = mdloadskin((md2model_t *)m,tile2model[Ptile2tile(tspr->picnum,lpal)].skinnum,GLOWPAL,surfi); } bglEnableClientState(GL_NORMAL_ARRAY); if (pr_vbos > 1) { bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->texcoords[surfi]); bglTexCoordPointer(2, GL_FLOAT, 0, 0); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->geometry[surfi]); bglVertexPointer(3, GL_FLOAT, sizeof(float) * 6, (GLfloat*)(m->cframe * s->numverts * sizeof(float) * 6)); bglNormalPointer(GL_FLOAT, sizeof(float) * 6, (GLfloat*)(m->cframe * s->numverts * sizeof(float) * 6) + 3); if (pr_gpusmoothing) { mdspritematerial.nextframedata = (GLfloat*)(m->nframe * s->numverts * sizeof(float) * 6); mdspritematerial.nextframedatastride = sizeof(float) * 6; } bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m->indices[surfi]); curlight = 0; while ((curlight == 0) || ((curlight < modellightcount) && (curlight < pr_maxlightpasses))) { materialbits = polymer_bindmaterial(mdspritematerial, modellights, modellightcount); bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_INT, 0); polymer_unbindmaterial(materialbits); curlight++; } bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); } else { bglVertexPointer(3, GL_FLOAT, sizeof(float) * 6, v0); bglNormalPointer(GL_FLOAT, sizeof(float) * 6, v0 + 3); bglTexCoordPointer(2, GL_FLOAT, 0, s->uv); if (pr_gpusmoothing) { mdspritematerial.nextframedata = (GLfloat*)(v1); mdspritematerial.nextframedatastride = sizeof(float) * 6; } curlight = 0; while ((curlight == 0) || ((curlight < modellightcount) && (curlight < pr_maxlightpasses))) { materialbits = polymer_bindmaterial(mdspritematerial, modellights, modellightcount); bglDrawElements(GL_TRIANGLES, s->numtris * 3, GL_UNSIGNED_INT, s->tris); polymer_unbindmaterial(materialbits); curlight++; } } bglDisableClientState(GL_NORMAL_ARRAY); } bglPopMatrix(); globalnoeffect=0; } static void polymer_loadmodelvbos(md3model_t* m) { int32_t i; md3surf_t *s; m->indices = Bcalloc(m->head.numsurfs, sizeof(GLuint)); m->texcoords = Bcalloc(m->head.numsurfs, sizeof(GLuint)); m->geometry = Bcalloc(m->head.numsurfs, sizeof(GLuint)); bglGenBuffersARB(m->head.numsurfs, m->indices); bglGenBuffersARB(m->head.numsurfs, m->texcoords); bglGenBuffersARB(m->head.numsurfs, m->geometry); i = 0; while (i < m->head.numsurfs) { s = &m->head.surfs[i]; bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, m->indices[i]); bglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, s->numtris * sizeof(md3tri_t), s->tris, modelvbousage); bglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->texcoords[i]); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, s->numverts * sizeof(md3uv_t), s->uv, modelvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, m->geometry[i]); bglBufferDataARB(GL_ARRAY_BUFFER_ARB, s->numframes * s->numverts * sizeof(float) * 6, s->geometry, modelvbousage); bglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); i++; } } // MATERIALS static void polymer_getscratchmaterial(_prmaterial* material) { // this function returns a material that won't validate any bits // make sure to keep it up to date with the validation logic in bindmaterial // PR_BIT_ANIM_INTERPOLATION material->frameprogress = 0.0f; material->nextframedata = NULL; material->nextframedatastride = 0; // PR_BIT_NORMAL_MAP material->normalmap = 0; material->normalbias[0] = material->normalbias[1] = 0.0f; // PR_BIT_DIFFUSE_MAP material->diffusemap = 0; material->diffusescale[0] = material->diffusescale[1] = 1.0f; // PR_BIT_DIFFUSE_DETAIL_MAP material->detailmap = 0; material->detailscale[0] = material->detailscale[1] = 1.0f; // PR_BIT_DIFFUSE_MODULATION material->diffusemodulation[0] = material->diffusemodulation[1] = material->diffusemodulation[2] = material->diffusemodulation[3] = 1.0f; // PR_BIT_SPECULAR_MAP material->specmap = 0; // PR_BIT_SPECULAR_MATERIAL material->specmaterial[0] = 15.0f; material->specmaterial[1] = 1.0f; // PR_BIT_MIRROR_MAP material->mirrormap = 0; // PR_BIT_GLOW_MAP material->glowmap = 0; // PR_BIT_SHADOW_MAP material->mdspritespace = GL_FALSE; } static void polymer_getbuildmaterial(_prmaterial* material, int16_t tilenum, char pal, int8_t shade) { pthtyp* pth; pthtyp* detailpth; pthtyp* glowpth; polymer_getscratchmaterial(material); // PR_BIT_NORMAL_MAP if (hicfindsubst(tilenum, NORMALPAL, 0)) { glowpth = NULL; glowpth = gltexcache(tilenum, NORMALPAL, 0); if (glowpth && glowpth->hicr && (glowpth->hicr->palnum == NORMALPAL)) { material->normalmap = glowpth->glpic; material->normalbias[0] = glowpth->hicr->specpower; material->normalbias[1] = glowpth->hicr->specfactor; } } // PR_BIT_DIFFUSE_MAP if (!waloff[tilenum]) loadtile(tilenum); pth = NULL; pth = gltexcache(tilenum, pal, 0); if (pth) material->diffusemap = pth->glpic; if (pth->hicr) { material->diffusescale[0] = pth->hicr->xscale; material->diffusescale[1] = pth->hicr->yscale; } // PR_BIT_DIFFUSE_DETAIL_MAP if (hicfindsubst(tilenum, DETAILPAL, 0)) { detailpth = NULL; detailpth = gltexcache(tilenum, DETAILPAL, 0); if (detailpth && detailpth->hicr && (detailpth->hicr->palnum == DETAILPAL)) { material->detailmap = detailpth->glpic; material->detailscale[0] = detailpth->hicr->xscale; material->detailscale[1] = detailpth->hicr->yscale; } } // PR_BIT_DIFFUSE_MODULATION material->diffusemodulation[0] = material->diffusemodulation[1] = material->diffusemodulation[2] = ((float)(numpalookups-min(max(shade*shadescale,0),numpalookups)))/((float)numpalookups); if (pth && (pth->flags & 2)) { if (pth->palnum != pal) { material->diffusemodulation[0] *= (float)hictinting[pal].r / 255.0; material->diffusemodulation[1] *= (float)hictinting[pal].g / 255.0; material->diffusemodulation[2] *= (float)hictinting[pal].b / 255.0; } if (hictinting[MAXPALOOKUPS-1].r != 255 || hictinting[MAXPALOOKUPS-1].g != 255 || hictinting[MAXPALOOKUPS-1].b != 255) { material->diffusemodulation[0] *= (float)hictinting[MAXPALOOKUPS-1].r / 255.0; material->diffusemodulation[1] *= (float)hictinting[MAXPALOOKUPS-1].g / 255.0; material->diffusemodulation[2] *= (float)hictinting[MAXPALOOKUPS-1].b / 255.0; } } // PR_BIT_SPECULAR_MAP if (hicfindsubst(tilenum, SPECULARPAL, 0)) { glowpth = NULL; glowpth = gltexcache(tilenum, SPECULARPAL, 0); if (glowpth && glowpth->hicr && (glowpth->hicr->palnum == SPECULARPAL)) material->specmap = glowpth->glpic; } // PR_BIT_SPECULAR_MATERIAL if (pth->hicr) { if (pth->hicr->specpower != 1.0f) material->specmaterial[0] = pth->hicr->specpower; material->specmaterial[1] = pth->hicr->specfactor; } // PR_BIT_GLOW_MAP if (r_fullbrights && pth && pth->flags & 16) material->glowmap = pth->ofb->glpic; if (hicfindsubst(tilenum, GLOWPAL, 0)) { glowpth = NULL; glowpth = gltexcache(tilenum, GLOWPAL, 0); if (glowpth && glowpth->hicr && (glowpth->hicr->palnum == GLOWPAL)) material->glowmap = glowpth->glpic; } } static int32_t polymer_bindmaterial(_prmaterial material, char* lights, int lightcount) { int32_t programbits; int32_t texunit; programbits = 0; // --------- bit validation // PR_BIT_ANIM_INTERPOLATION if (material.nextframedatastride) programbits |= prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit; // PR_BIT_LIGHTING_PASS if (curlight && lightcount) programbits |= prprogrambits[PR_BIT_LIGHTING_PASS].bit; // PR_BIT_NORMAL_MAP if (pr_normalmapping && material.normalmap) programbits |= prprogrambits[PR_BIT_NORMAL_MAP].bit; // PR_BIT_DIFFUSE_MAP if (material.diffusemap) programbits |= prprogrambits[PR_BIT_DIFFUSE_MAP].bit; // PR_BIT_DIFFUSE_DETAIL_MAP if (!curlight && r_detailmapping && material.detailmap) programbits |= prprogrambits[PR_BIT_DIFFUSE_DETAIL_MAP].bit; // PR_BIT_DIFFUSE_MODULATION programbits |= prprogrambits[PR_BIT_DIFFUSE_MODULATION].bit; // PR_BIT_SPECULAR_MAP if (pr_specularmapping && material.specmap) programbits |= prprogrambits[PR_BIT_SPECULAR_MAP].bit; // PR_BIT_SPECULAR_MATERIAL if ((material.specmaterial[0] != 15.0) || (material.specmaterial[1] != 1.0) || pr_overridespecular) programbits |= prprogrambits[PR_BIT_SPECULAR_MATERIAL].bit; // PR_BIT_MIRROR_MAP if (!curlight && material.mirrormap) programbits |= prprogrambits[PR_BIT_MIRROR_MAP].bit; // PR_BIT_FOG programbits |= prprogrambits[PR_BIT_FOG].bit; // PR_BIT_GLOW_MAP if (!curlight && r_glowmapping && material.glowmap) programbits |= prprogrambits[PR_BIT_GLOW_MAP].bit; // PR_BIT_POINT_LIGHT if (lightcount) { programbits |= prprogrambits[PR_BIT_POINT_LIGHT].bit; // PR_BIT_SPOT_LIGHT if (prlights[lights[curlight]].radius) { programbits |= prprogrambits[PR_BIT_SPOT_LIGHT].bit; // PR_BIT_SHADOW_MAP if (prlights[lights[curlight]].rtindex != -1) { programbits |= prprogrambits[PR_BIT_SHADOW_MAP].bit; // PR_BIT_LIGHT_MAP if (prlights[lights[curlight]].lightmap) programbits |= prprogrambits[PR_BIT_LIGHT_MAP].bit; } } } // material override programbits &= overridematerial; programbits |= prprogrambits[PR_BIT_HEADER].bit; programbits |= prprogrambits[PR_BIT_FOOTER].bit; // --------- program compiling if (!prprograms[programbits].handle) polymer_compileprogram(programbits); bglUseProgramObjectARB(prprograms[programbits].handle); // --------- bit setup texunit = 0; // PR_BIT_ANIM_INTERPOLATION if (programbits & prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit) { bglEnableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameData); if (prprograms[programbits].attrib_nextFrameNormal != -1) bglEnableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal); bglVertexAttribPointerARB(prprograms[programbits].attrib_nextFrameData, 3, GL_FLOAT, GL_FALSE, material.nextframedatastride, material.nextframedata); if (prprograms[programbits].attrib_nextFrameNormal != -1) bglVertexAttribPointerARB(prprograms[programbits].attrib_nextFrameNormal, 3, GL_FLOAT, GL_FALSE, material.nextframedatastride, material.nextframedata + 3); bglUniform1fARB(prprograms[programbits].uniform_frameProgress, material.frameprogress); } // PR_BIT_LIGHTING_PASS if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit) { bglEnable(GL_BLEND); bglBlendFunc(GL_ONE, GL_ONE); } // PR_BIT_NORMAL_MAP if (programbits & prprogrambits[PR_BIT_NORMAL_MAP].bit) { float pos[3], bias[2]; pos[0] = globalposy; pos[1] = -(float)(globalposz) / 16.0f; pos[2] = -globalposx; bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, material.normalmap); bglUniform3fvARB(prprograms[programbits].uniform_eyePosition, 1, pos); bglUniform1iARB(prprograms[programbits].uniform_normalMap, texunit); if (pr_overrideparallax) { bias[0] = pr_parallaxscale; bias[1] = pr_parallaxbias; bglUniform2fvARB(prprograms[programbits].uniform_normalBias, 1, bias); } else bglUniform2fvARB(prprograms[programbits].uniform_normalBias, 1, material.normalbias); texunit++; } // PR_BIT_DIFFUSE_MAP if (programbits & prprogrambits[PR_BIT_DIFFUSE_MAP].bit) { bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, material.diffusemap); bglUniform1iARB(prprograms[programbits].uniform_diffuseMap, texunit); bglUniform2fvARB(prprograms[programbits].uniform_diffuseScale, 1, material.diffusescale); texunit++; } // PR_BIT_DIFFUSE_DETAIL_MAP if (programbits & prprogrambits[PR_BIT_DIFFUSE_DETAIL_MAP].bit) { float scale[2]; // scale by the diffuse map scale if we're not doing normal mapping if (!(programbits & prprogrambits[PR_BIT_NORMAL_MAP].bit)) { scale[0] = material.diffusescale[0] * material.detailscale[0]; scale[1] = material.diffusescale[1] * material.detailscale[1]; } else { scale[0] = material.detailscale[0]; scale[1] = material.detailscale[1]; } bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, material.detailmap); bglUniform1iARB(prprograms[programbits].uniform_detailMap, texunit); bglUniform2fvARB(prprograms[programbits].uniform_detailScale, 1, scale); texunit++; } // PR_BIT_DIFFUSE_MODULATION if (programbits & prprogrambits[PR_BIT_DIFFUSE_MODULATION].bit) { bglColor4f(material.diffusemodulation[0], material.diffusemodulation[1], material.diffusemodulation[2], material.diffusemodulation[3]); } // PR_BIT_SPECULAR_MAP if (programbits & prprogrambits[PR_BIT_SPECULAR_MAP].bit) { bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, material.specmap); bglUniform1iARB(prprograms[programbits].uniform_specMap, texunit); texunit++; } // PR_BIT_SPECULAR_MATERIAL if (programbits & prprogrambits[PR_BIT_SPECULAR_MATERIAL].bit) { float specmaterial[2]; if (pr_overridespecular) { specmaterial[0] = pr_specularpower; specmaterial[1] = pr_specularfactor; bglUniform2fvARB(prprograms[programbits].uniform_specMaterial, 1, specmaterial); } else bglUniform2fvARB(prprograms[programbits].uniform_specMaterial, 1, material.specmaterial); } // PR_BIT_MIRROR_MAP if (programbits & prprogrambits[PR_BIT_MIRROR_MAP].bit) { bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_RECTANGLE, material.mirrormap); bglUniform1iARB(prprograms[programbits].uniform_mirrorMap, texunit); texunit++; } // PR_BIT_GLOW_MAP if (programbits & prprogrambits[PR_BIT_GLOW_MAP].bit) { bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, material.glowmap); bglUniform1iARB(prprograms[programbits].uniform_glowMap, texunit); texunit++; } // PR_BIT_POINT_LIGHT if (programbits & prprogrambits[PR_BIT_POINT_LIGHT].bit) { float inpos[4], pos[4]; float range[2]; float color[4]; inpos[0] = prlights[lights[curlight]].y; inpos[1] = -prlights[lights[curlight]].z / 16.0f; inpos[2] = -prlights[lights[curlight]].x; polymer_transformpoint(inpos, pos, curmodelviewmatrix); // PR_BIT_SPOT_LIGHT if (programbits & prprogrambits[PR_BIT_SPOT_LIGHT].bit) { float sinang, cosang, sinhorizang, coshorizangs; float indir[3], dir[3]; cosang = (float)(sintable[(-prlights[lights[curlight]].angle+1024)&2047]) / 16383.0f; sinang = (float)(sintable[(-prlights[lights[curlight]].angle+512)&2047]) / 16383.0f; coshorizangs = (float)(sintable[(getangle(128, prlights[lights[curlight]].horiz-100)+1024)&2047]) / 16383.0f; sinhorizang = (float)(sintable[(getangle(128, prlights[lights[curlight]].horiz-100)+512)&2047]) / 16383.0f; indir[0] = inpos[0] + sinhorizang * cosang; indir[1] = inpos[1] - coshorizangs; indir[2] = inpos[2] - sinhorizang * sinang; polymer_transformpoint(indir, dir, curmodelviewmatrix); dir[0] -= pos[0]; dir[1] -= pos[1]; dir[2] -= pos[2]; indir[0] = (float)(sintable[(prlights[lights[curlight]].radius+512)&2047]) / 16383.0f; indir[1] = (float)(sintable[(prlights[lights[curlight]].faderadius+512)&2047]) / 16383.0f; indir[1] = 1.0 / (indir[1] - indir[0]); bglUniform3fvARB(prprograms[programbits].uniform_spotDir, 1, dir); bglUniform2fvARB(prprograms[programbits].uniform_spotRadius, 1, indir); // PR_BIT_SHADOW_MAP if (programbits & prprogrambits[PR_BIT_SHADOW_MAP].bit) { GLfloat matrix[16]; bglMatrixMode(GL_TEXTURE); bglLoadMatrixf(shadowBias); bglMultMatrixf(prlights[lights[curlight]].proj); bglMultMatrixf(prlights[lights[curlight]].transform); if (material.mdspritespace == GL_TRUE) bglMultMatrixf(spritemodelview); bglGetFloatv(GL_TEXTURE_MATRIX, matrix); bglLoadIdentity(); bglMatrixMode(GL_MODELVIEW); bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(prrts[prlights[lights[curlight]].rtindex].target, prrts[prlights[lights[curlight]].rtindex].z); bglUniform1iARB(prprograms[programbits].uniform_shadowMap, texunit); bglUniformMatrix4fvARB(prprograms[programbits].uniform_shadowProjMatrix, 1, GL_FALSE, matrix); texunit++; // PR_BIT_LIGHT_MAP if (programbits & prprogrambits[PR_BIT_LIGHT_MAP].bit) { bglActiveTextureARB(texunit + GL_TEXTURE0_ARB); bglBindTexture(GL_TEXTURE_2D, prlights[lights[curlight]].lightmap); bglUniform1iARB(prprograms[programbits].uniform_lightMap, texunit); texunit++; } } } range[0] = prlights[lights[curlight]].range / 1000.0f; range[1] = 1 / range[0]; color[0] = prlights[lights[curlight]].color[0] / 255.0f; color[1] = prlights[lights[curlight]].color[1] / 255.0f; color[2] = prlights[lights[curlight]].color[2] / 255.0f; bglLightfv(GL_LIGHT0, GL_AMBIENT, pos); bglLightfv(GL_LIGHT0, GL_DIFFUSE, color); bglLightfv(GL_LIGHT0, GL_SPECULAR, inpos); bglLightfv(GL_LIGHT0, GL_CONSTANT_ATTENUATION, &range[0]); bglLightfv(GL_LIGHT0, GL_LINEAR_ATTENUATION, &range[1]); } bglActiveTextureARB(GL_TEXTURE0_ARB); return (programbits); } static void polymer_unbindmaterial(int32_t programbits) { // repair any dirty GL state here // PR_BIT_ANIM_INTERPOLATION if (programbits & prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit) { if (prprograms[programbits].attrib_nextFrameNormal != -1) bglDisableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal); bglDisableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameData); } // PR_BIT_LIGHTING_PASS if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit) { bglDisable(GL_BLEND); bglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); } bglUseProgramObjectARB(0); } static void polymer_compileprogram(int32_t programbits) { int32_t i, enabledbits; GLhandleARB vert, frag, program; GLcharARB* source[PR_BIT_COUNT * 2]; GLcharARB infobuffer[PR_INFO_LOG_BUFFER_SIZE]; GLint linkstatus; // --------- VERTEX vert = bglCreateShaderObjectARB(GL_VERTEX_SHADER_ARB); enabledbits = i = 0; while (i < PR_BIT_COUNT) { if (programbits & prprogrambits[i].bit) source[enabledbits++] = prprogrambits[i].vert_def; i++; } i = 0; while (i < PR_BIT_COUNT) { if (programbits & prprogrambits[i].bit) source[enabledbits++] = prprogrambits[i].vert_prog; i++; } bglShaderSourceARB(vert, enabledbits, (const GLcharARB**)source, NULL); bglCompileShaderARB(vert); // --------- FRAGMENT frag = bglCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB); enabledbits = i = 0; while (i < PR_BIT_COUNT) { if (programbits & prprogrambits[i].bit) source[enabledbits++] = prprogrambits[i].frag_def; i++; } i = 0; while (i < PR_BIT_COUNT) { if (programbits & prprogrambits[i].bit) source[enabledbits++] = prprogrambits[i].frag_prog; i++; } bglShaderSourceARB(frag, enabledbits, (const GLcharARB**)source, NULL); bglCompileShaderARB(frag); // --------- PROGRAM program = bglCreateProgramObjectARB(); bglAttachObjectARB(program, vert); bglAttachObjectARB(program, frag); bglLinkProgramARB(program); bglGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &linkstatus); bglGetInfoLogARB(program, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer); prprograms[programbits].handle = program; if (pr_verbosity >= 1) OSD_Printf("PR : Compiling GPU program with bits %i...\n", programbits); if (!linkstatus) { OSD_Printf("PR : Failed to compile GPU program with bits %i!\n", programbits); if (pr_verbosity >= 1) OSD_Printf("PR : Compilation log:\n%s\n", infobuffer); bglGetShaderSourceARB(vert, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer); if (pr_verbosity >= 1) OSD_Printf("PR : Vertex source dump:\n%s\n", infobuffer); bglGetShaderSourceARB(frag, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer); if (pr_verbosity >= 1) OSD_Printf("PR : Fragment source dump:\n%s\n", infobuffer); } // --------- ATTRIBUTE/UNIFORM LOCATIONS // PR_BIT_ANIM_INTERPOLATION if (programbits & prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit) { prprograms[programbits].attrib_nextFrameData = bglGetAttribLocationARB(program, "nextFrameData"); prprograms[programbits].attrib_nextFrameNormal = bglGetAttribLocationARB(program, "nextFrameNormal"); prprograms[programbits].uniform_frameProgress = bglGetUniformLocationARB(program, "frameProgress"); } // PR_BIT_NORMAL_MAP if (programbits & prprogrambits[PR_BIT_NORMAL_MAP].bit) { prprograms[programbits].attrib_T = bglGetAttribLocationARB(program, "T"); prprograms[programbits].attrib_B = bglGetAttribLocationARB(program, "B"); prprograms[programbits].attrib_N = bglGetAttribLocationARB(program, "N"); prprograms[programbits].uniform_eyePosition = bglGetUniformLocationARB(program, "eyePosition"); prprograms[programbits].uniform_normalMap = bglGetUniformLocationARB(program, "normalMap"); prprograms[programbits].uniform_normalBias = bglGetUniformLocationARB(program, "normalBias"); } // PR_BIT_DIFFUSE_MAP if (programbits & prprogrambits[PR_BIT_DIFFUSE_MAP].bit) { prprograms[programbits].uniform_diffuseMap = bglGetUniformLocationARB(program, "diffuseMap"); prprograms[programbits].uniform_diffuseScale = bglGetUniformLocationARB(program, "diffuseScale"); } // PR_BIT_DIFFUSE_DETAIL_MAP if (programbits & prprogrambits[PR_BIT_DIFFUSE_DETAIL_MAP].bit) { prprograms[programbits].uniform_detailMap = bglGetUniformLocationARB(program, "detailMap"); prprograms[programbits].uniform_detailScale = bglGetUniformLocationARB(program, "detailScale"); } // PR_BIT_SPECULAR_MAP if (programbits & prprogrambits[PR_BIT_SPECULAR_MAP].bit) { prprograms[programbits].uniform_specMap = bglGetUniformLocationARB(program, "specMap"); } // PR_BIT_SPECULAR_MATERIAL if (programbits & prprogrambits[PR_BIT_SPECULAR_MATERIAL].bit) { prprograms[programbits].uniform_specMaterial = bglGetUniformLocationARB(program, "specMaterial"); } // PR_BIT_MIRROR_MAP if (programbits & prprogrambits[PR_BIT_MIRROR_MAP].bit) { prprograms[programbits].uniform_mirrorMap = bglGetUniformLocationARB(program, "mirrorMap"); } // PR_BIT_GLOW_MAP if (programbits & prprogrambits[PR_BIT_GLOW_MAP].bit) { prprograms[programbits].uniform_glowMap = bglGetUniformLocationARB(program, "glowMap"); } // PR_BIT_SHADOW_MAP if (programbits & prprogrambits[PR_BIT_SHADOW_MAP].bit) { prprograms[programbits].uniform_shadowMap = bglGetUniformLocationARB(program, "shadowMap"); prprograms[programbits].uniform_shadowProjMatrix = bglGetUniformLocationARB(program, "shadowProjMatrix"); } // PR_BIT_LIGHT_MAP if (programbits & prprogrambits[PR_BIT_LIGHT_MAP].bit) { prprograms[programbits].uniform_lightMap = bglGetUniformLocationARB(program, "lightMap"); } // PR_BIT_SPOT_LIGHT if (programbits & prprogrambits[PR_BIT_SPOT_LIGHT].bit) { prprograms[programbits].uniform_spotDir = bglGetUniformLocationARB(program, "spotDir"); prprograms[programbits].uniform_spotRadius = bglGetUniformLocationARB(program, "spotRadius"); } } // LIGHTS static void polymer_resetlights(void) { int32_t i; _prsector *s; _prwall *w; i = 0; while (i < numsectors) { s = prsectors[i]; s->floor.lightcount = 0; s->ceil.lightcount = 0; i++; } i = 0; while (i < numwalls) { w = prwalls[i]; w->wall.lightcount = 0; w->over.lightcount = 0; w->mask.lightcount = 0; i++; } lightcount = 0; } static void polymer_addlight(_prlight light) { if ((light.sector == -1) || (light.sector >= numsectors)) return; if (lightcount < PR_MAXLIGHTS) { prlights[lightcount] = light; if (light.radius) { float radius, ang, horizang, lightpos[3]; pthtyp* pth; // hack to avoid lights beams perpendicular to walls if ((light.horiz <= 100) && (light.horiz > 90)) light.horiz = 90; if ((light.horiz > 100) && (light.horiz < 110)) light.horiz = 110; lightpos[0] = light.y; lightpos[1] = -light.z / 16.0f; lightpos[2] = -light.x; // calculate the spot light transformations and matrices radius = (float)(light.radius) / (2048.0f / 360.0f); ang = (float)(light.angle) / (2048.0f / 360.0f); horizang = (float)(-getangle(128, light.horiz-100)) / (2048.0f / 360.0f); bglMatrixMode(GL_PROJECTION); bglPushMatrix(); bglLoadIdentity(); bgluPerspective(radius * 2, 1, 0.1f, light.range / 1000.0f); bglGetFloatv(GL_PROJECTION_MATRIX, prlights[lightcount].proj); bglPopMatrix(); bglMatrixMode(GL_MODELVIEW); bglPushMatrix(); bglLoadIdentity(); bglRotatef(horizang, 1.0f, 0.0f, 0.0f); bglRotatef(ang, 0.0f, 1.0f, 0.0f); bglScalef(1.0f / 1000.0f, 1.0f / 1000.0f, 1.0f / 1000.0f); bglTranslatef(-lightpos[0], -lightpos[1], -lightpos[2]); bglGetFloatv(GL_MODELVIEW_MATRIX, prlights[lightcount].transform); bglPopMatrix(); polymer_extractfrustum(prlights[lightcount].transform, prlights[lightcount].proj, prlights[lightcount].frustum); prlights[lightcount].rtindex = -1; // get the texture handle for the lightmap prlights[lightcount].lightmap = 0; if (prlights[lightcount].tilenum) { if (!waloff[prlights[lightcount].tilenum]) loadtile(prlights[lightcount].tilenum); pth = NULL; pth = gltexcache(prlights[lightcount].tilenum, 0, 0); if (pth) prlights[lightcount].lightmap = pth->glpic; } } prlights[lightcount].isinview = 0; polymer_culllight(lightcount); lightcount++; } } static int32_t polymer_planeinlight(_prplane* plane, _prlight* light) { float lightpos[3]; int i, j, k, l; if (!plane->vertcount) return 0; if (light->radius) return polymer_planeinfrustum(plane, light->frustum); lightpos[0] = light->y; lightpos[1] = -light->z / 16.0f; lightpos[2] = -light->x; i = 0; while (i < 3) { j = k = l = 0; while (j < plane->vertcount) { if (plane->buffer[(j * 5) + i] > (lightpos[i] + light->range)) k++; if (plane->buffer[(j * 5) + i] < (lightpos[i] - light->range)) l++; j++; } if ((k == plane->vertcount) || (l == plane->vertcount)) return 0; i++; } return 1; } static inline void polymer_culllight(char lightindex) { _prlight* light; int32_t front; int32_t back; int32_t i; _prsector *s; _prwall *w; sectortype *sec; light = &prlights[lightindex]; front = 0; back = 1; Bmemset(drawingstate, 0, sizeof(int16_t) * numsectors); drawingstate[light->sector] = 1; sectorqueue[0] = light->sector; while (front != back) { s = prsectors[sectorqueue[front]]; sec = §or[sectorqueue[front]]; polymer_pokesector(sectorqueue[front]); if (polymer_planeinlight(&s->floor, light)) { s->floor.lights[s->floor.lightcount] = lightindex; s->floor.lightcount++; if (s->floor.drawn) light->isinview = 1; } if (polymer_planeinlight(&s->ceil, light)) { s->ceil.lights[s->ceil.lightcount] = lightindex; s->ceil.lightcount++; if (s->ceil.drawn) light->isinview = 1; } i = 0; while (i < sec->wallnum) { w = prwalls[sec->wallptr + i]; if (polymer_planeinlight(&w->wall, light)) { w->wall.lights[w->wall.lightcount] = lightindex; w->wall.lightcount++; if (w->wall.drawn) light->isinview = 1; } if (polymer_planeinlight(&w->over, light)) { w->over.lights[w->over.lightcount] = lightindex; w->over.lightcount++; if (w->over.drawn) light->isinview = 1; } if (polymer_planeinlight(&w->mask, light)) { if ((w->mask.vertcount == 4) && (w->mask.buffer[(0 * 5) + 1] >= w->mask.buffer[(3 * 5) + 1]) && (w->mask.buffer[(1 * 5) + 1] >= w->mask.buffer[(2 * 5) + 1])) { i++; continue; } w->mask.lights[w->mask.lightcount] = lightindex; w->mask.lightcount++; if (w->mask.drawn) light->isinview = 1; if ((wall[sec->wallptr + i].nextsector != -1) && (!drawingstate[wall[sec->wallptr + i].nextsector])) { drawingstate[wall[sec->wallptr + i].nextsector] = 1; sectorqueue[back] = wall[sec->wallptr + i].nextsector; back++; } } i++; } front++; } } static void polymer_prepareshadows(void) { int16_t oviewangle, oglobalang; int32_t ocosglobalang, osinglobalang; int32_t ocosviewingrangeglobalang, osinviewingrangeglobalang; int32_t i, j; int32_t gx, gy, gz; int32_t oldoverridematerial; // for wallvisible() gx = globalposx; gy = globalposy; gz = globalposz; // build globals used by drawmasks oviewangle = viewangle; oglobalang = globalang; ocosglobalang = cosglobalang; osinglobalang = singlobalang; ocosviewingrangeglobalang = cosviewingrangeglobalang; osinviewingrangeglobalang = sinviewingrangeglobalang; i = j = 0; while ((i < lightcount) && (j < pr_shadowcount)) { if (prlights[i].radius && prlights[i].isinview) { prlights[i].rtindex = j + 1; bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, prrts[prlights[i].rtindex].fbo); bglPushAttrib(GL_VIEWPORT_BIT); bglViewport(0, 0, prrts[prlights[i].rtindex].xdim, prrts[prlights[i].rtindex].ydim); bglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); bglMatrixMode(GL_PROJECTION); bglPushMatrix(); bglLoadMatrixf(prlights[i].proj); bglMatrixMode(GL_MODELVIEW); bglLoadMatrixf(prlights[i].transform); bglEnable(GL_POLYGON_OFFSET_FILL); bglPolygonOffset(5, SHADOW_DEPTH_OFFSET); globalposx = prlights[i].x; globalposy = prlights[i].y; globalposz = prlights[i].z; // build globals used by rotatesprite viewangle = prlights[i].angle; globalang = (prlights[i].angle&2047); cosglobalang = sintable[(globalang+512)&2047]; singlobalang = sintable[globalang&2047]; cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange); sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange); oldoverridematerial = overridematerial; // smooth model shadows overridematerial = prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit; // used by alpha-testing for sprite silhouette overridematerial |= prprogrambits[PR_BIT_DIFFUSE_MAP].bit; // to force sprite drawing mirrors[depth++].plane = NULL; polymer_displayrooms(prlights[i].sector); depth--; overridematerial = oldoverridematerial; bglDisable(GL_POLYGON_OFFSET_FILL); bglMatrixMode(GL_PROJECTION); bglPopMatrix(); bglPopAttrib(); bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); j++; } i++; } globalposx = gx; globalposy = gy; globalposz = gz; viewangle = oviewangle; globalang = oglobalang; cosglobalang = ocosglobalang; singlobalang = osinglobalang; cosviewingrangeglobalang = ocosviewingrangeglobalang; sinviewingrangeglobalang = osinviewingrangeglobalang; } static void polymer_applylights(void) { int32_t i, curpriority; _prlight light; float fade; curpriority = 0; while (curpriority < PR_MAXLIGHTPRIORITY) { i = 0; while (i < staticlightcount) { if ((staticlights[i].priority != curpriority) || (staticlights[i].priority > pr_maxlightpriority)) { i++; continue; } if (staticlights[i].minshade == staticlights[i].maxshade) polymer_addlight(staticlights[i]); else { light = staticlights[i]; fade = sector[light.sector].floorshade; fade -= light.minshade; fade /= light.maxshade - light.minshade; if (fade < 0.0f) fade = 0.0f; if (fade > 1.0f) fade = 1.0f; light.color[0] *= fade; light.color[1] *= fade; light.color[2] *= fade; polymer_addlight(light); } i++; } i = 0; while (i < gamelightcount) { if ((gamelights[i].priority != curpriority) || (gamelights[i].priority > pr_maxlightpriority)) { i++; continue; } polymer_addlight(gamelights[i]); i++; } i = 0; while (i < framelightcount) { if ((framelights[i].priority != curpriority) || (framelights[i].priority > pr_maxlightpriority)) { i++; continue; } polymer_addlight(framelights[i]); i++; } curpriority++; } } // RENDER TARGETS static void polymer_initrendertargets(int32_t count) { int32_t i; prrts = Bcalloc(count, sizeof(_prrt)); i = 0; while (i < count) { if (!i) { prrts[i].target = GL_TEXTURE_RECTANGLE; prrts[i].xdim = xdim; prrts[i].ydim = ydim; bglGenTextures(1, &prrts[i].color); bglBindTexture(prrts[i].target, prrts[i].color); bglCopyTexImage2D(prrts[i].target, 0, GL_RGBA, 0, 0, prrts[i].xdim, prrts[i].ydim, 0); bglTexParameteri(prrts[i].target, GL_TEXTURE_MIN_FILTER, GL_NEAREST); bglTexParameteri(prrts[i].target, GL_TEXTURE_MAG_FILTER, GL_NEAREST); bglTexParameteri(prrts[i].target, GL_TEXTURE_WRAP_S, GL_CLAMP); bglTexParameteri(prrts[i].target, GL_TEXTURE_WRAP_T, GL_CLAMP); } else { prrts[i].target = GL_TEXTURE_2D; prrts[i].xdim = 128 << pr_shadowdetail; prrts[i].ydim = 128 << pr_shadowdetail; prrts[i].color = 0; } bglGenTextures(1, &prrts[i].z); bglBindTexture(prrts[i].target, prrts[i].z); bglCopyTexImage2D(prrts[i].target, 0, GL_DEPTH_COMPONENT, 0, 0, prrts[i].xdim, prrts[i].ydim, 0); bglTexParameteri(prrts[i].target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); bglTexParameteri(prrts[i].target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); bglTexParameteri(prrts[i].target, GL_TEXTURE_WRAP_S, GL_CLAMP); bglTexParameteri(prrts[i].target, GL_TEXTURE_WRAP_T, GL_CLAMP); bglTexParameteri(prrts[i].target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB); bglTexParameteri(prrts[i].target, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL); bglTexParameteri(prrts[i].target, GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA); bglGenFramebuffersEXT(1, &prrts[i].fbo); bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, prrts[i].fbo); if (prrts[i].color) bglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, prrts[i].target, prrts[i].color, 0); else { bglDrawBuffer(GL_NONE); bglReadBuffer(GL_NONE); } bglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, prrts[i].target, prrts[i].z, 0); if (bglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) { OSD_Printf("PR : FBO #%d initialization failed.\n", i); } bglBindTexture(prrts[i].target, 0); bglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); i++; } } #endif