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Common model format, with MD2/MD3 loading

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This commit is contained in:
Arthur 2018-12-15 20:57:11 -05:00 committed by mazmazz
parent 9d5622c0bc
commit 295ca25171
19 changed files with 2319 additions and 516 deletions
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6
src/hardware/hw_drv.h
View file

@ -58,8 +58,7 @@ EXPORT void HWRAPI(ClearMipMapCache) (void);
EXPORT void HWRAPI(SetSpecialState) (hwdspecialstate_t IdState, INT32 Value); EXPORT void HWRAPI(SetSpecialState) (hwdspecialstate_t IdState, INT32 Value);
//Hurdler: added for new development //Hurdler: added for new development
EXPORT void HWRAPI(DrawMD2) (INT32 *gl_cmd_buffer, md2_frame_t *frame, FTransform *pos, float scale); EXPORT void HWRAPI(DrawModel) (model_t *model, mdlframe_t *frame, INT32 duration, INT32 tics, mdlframe_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color);
EXPORT void HWRAPI(DrawMD2i) (INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration, INT32 tics, md2_frame_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color);
EXPORT void HWRAPI(SetTransform) (FTransform *ptransform); EXPORT void HWRAPI(SetTransform) (FTransform *ptransform);
EXPORT INT32 HWRAPI(GetTextureUsed) (void); EXPORT INT32 HWRAPI(GetTextureUsed) (void);
EXPORT INT32 HWRAPI(GetRenderVersion) (void); EXPORT INT32 HWRAPI(GetRenderVersion) (void);
@ -96,8 +95,7 @@ struct hwdriver_s
GClipRect pfnGClipRect; GClipRect pfnGClipRect;
ClearMipMapCache pfnClearMipMapCache; ClearMipMapCache pfnClearMipMapCache;
SetSpecialState pfnSetSpecialState;//Hurdler: added for backward compatibility SetSpecialState pfnSetSpecialState;//Hurdler: added for backward compatibility
DrawMD2 pfnDrawMD2; DrawModel pfnDrawModel;
DrawMD2i pfnDrawMD2i;
SetTransform pfnSetTransform; SetTransform pfnSetTransform;
GetTextureUsed pfnGetTextureUsed; GetTextureUsed pfnGetTextureUsed;
GetRenderVersion pfnGetRenderVersion; GetRenderVersion pfnGetRenderVersion;

361
src/hardware/hw_md2.c
View file

@ -43,6 +43,7 @@
#include "../r_draw.h" #include "../r_draw.h"
#include "../p_tick.h" #include "../p_tick.h"
#include "../k_kart.h" // colortranslations #include "../k_kart.h" // colortranslations
#include "hw_model.h"
#include "hw_main.h" #include "hw_main.h"
#include "../v_video.h" #include "../v_video.h"
@ -75,172 +76,6 @@
#include "errno.h" #include "errno.h"
#endif #endif
#define NUMVERTEXNORMALS 162
float avertexnormals[NUMVERTEXNORMALS][3] = {
{-0.525731f, 0.000000f, 0.850651f},
{-0.442863f, 0.238856f, 0.864188f},
{-0.295242f, 0.000000f, 0.955423f},
{-0.309017f, 0.500000f, 0.809017f},
{-0.162460f, 0.262866f, 0.951056f},
{0.000000f, 0.000000f, 1.000000f},
{0.000000f, 0.850651f, 0.525731f},
{-0.147621f, 0.716567f, 0.681718f},
{0.147621f, 0.716567f, 0.681718f},
{0.000000f, 0.525731f, 0.850651f},
{0.309017f, 0.500000f, 0.809017f},
{0.525731f, 0.000000f, 0.850651f},
{0.295242f, 0.000000f, 0.955423f},
{0.442863f, 0.238856f, 0.864188f},
{0.162460f, 0.262866f, 0.951056f},
{-0.681718f, 0.147621f, 0.716567f},
{-0.809017f, 0.309017f, 0.500000f},
{-0.587785f, 0.425325f, 0.688191f},
{-0.850651f, 0.525731f, 0.000000f},
{-0.864188f, 0.442863f, 0.238856f},
{-0.716567f, 0.681718f, 0.147621f},
{-0.688191f, 0.587785f, 0.425325f},
{-0.500000f, 0.809017f, 0.309017f},
{-0.238856f, 0.864188f, 0.442863f},
{-0.425325f, 0.688191f, 0.587785f},
{-0.716567f, 0.681718f, -0.147621f},
{-0.500000f, 0.809017f, -0.309017f},
{-0.525731f, 0.850651f, 0.000000f},
{0.000000f, 0.850651f, -0.525731f},
{-0.238856f, 0.864188f, -0.442863f},
{0.000000f, 0.955423f, -0.295242f},
{-0.262866f, 0.951056f, -0.162460f},
{0.000000f, 1.000000f, 0.000000f},
{0.000000f, 0.955423f, 0.295242f},
{-0.262866f, 0.951056f, 0.162460f},
{0.238856f, 0.864188f, 0.442863f},
{0.262866f, 0.951056f, 0.162460f},
{0.500000f, 0.809017f, 0.309017f},
{0.238856f, 0.864188f, -0.442863f},
{0.262866f, 0.951056f, -0.162460f},
{0.500000f, 0.809017f, -0.309017f},
{0.850651f, 0.525731f, 0.000000f},
{0.716567f, 0.681718f, 0.147621f},
{0.716567f, 0.681718f, -0.147621f},
{0.525731f, 0.850651f, 0.000000f},
{0.425325f, 0.688191f, 0.587785f},
{0.864188f, 0.442863f, 0.238856f},
{0.688191f, 0.587785f, 0.425325f},
{0.809017f, 0.309017f, 0.500000f},
{0.681718f, 0.147621f, 0.716567f},
{0.587785f, 0.425325f, 0.688191f},
{0.955423f, 0.295242f, 0.000000f},
{1.000000f, 0.000000f, 0.000000f},
{0.951056f, 0.162460f, 0.262866f},
{0.850651f, -0.525731f, 0.000000f},
{0.955423f, -0.295242f, 0.000000f},
{0.864188f, -0.442863f, 0.238856f},
{0.951056f, -0.162460f, 0.262866f},
{0.809017f, -0.309017f, 0.500000f},
{0.681718f, -0.147621f, 0.716567f},
{0.850651f, 0.000000f, 0.525731f},
{0.864188f, 0.442863f, -0.238856f},
{0.809017f, 0.309017f, -0.500000f},
{0.951056f, 0.162460f, -0.262866f},
{0.525731f, 0.000000f, -0.850651f},
{0.681718f, 0.147621f, -0.716567f},
{0.681718f, -0.147621f, -0.716567f},
{0.850651f, 0.000000f, -0.525731f},
{0.809017f, -0.309017f, -0.500000f},
{0.864188f, -0.442863f, -0.238856f},
{0.951056f, -0.162460f, -0.262866f},
{0.147621f, 0.716567f, -0.681718f},
{0.309017f, 0.500000f, -0.809017f},
{0.425325f, 0.688191f, -0.587785f},
{0.442863f, 0.238856f, -0.864188f},
{0.587785f, 0.425325f, -0.688191f},
{0.688191f, 0.587785f, -0.425325f},
{-0.147621f, 0.716567f, -0.681718f},
{-0.309017f, 0.500000f, -0.809017f},
{0.000000f, 0.525731f, -0.850651f},
{-0.525731f, 0.000000f, -0.850651f},
{-0.442863f, 0.238856f, -0.864188f},
{-0.295242f, 0.000000f, -0.955423f},
{-0.162460f, 0.262866f, -0.951056f},
{0.000000f, 0.000000f, -1.000000f},
{0.295242f, 0.000000f, -0.955423f},
{0.162460f, 0.262866f, -0.951056f},
{-0.442863f, -0.238856f, -0.864188f},
{-0.309017f, -0.500000f, -0.809017f},
{-0.162460f, -0.262866f, -0.951056f},
{0.000000f, -0.850651f, -0.525731f},
{-0.147621f, -0.716567f, -0.681718f},
{0.147621f, -0.716567f, -0.681718f},
{0.000000f, -0.525731f, -0.850651f},
{0.309017f, -0.500000f, -0.809017f},
{0.442863f, -0.238856f, -0.864188f},
{0.162460f, -0.262866f, -0.951056f},
{0.238856f, -0.864188f, -0.442863f},
{0.500000f, -0.809017f, -0.309017f},
{0.425325f, -0.688191f, -0.587785f},
{0.716567f, -0.681718f, -0.147621f},
{0.688191f, -0.587785f, -0.425325f},
{0.587785f, -0.425325f, -0.688191f},
{0.000000f, -0.955423f, -0.295242f},
{0.000000f, -1.000000f, 0.000000f},
{0.262866f, -0.951056f, -0.162460f},
{0.000000f, -0.850651f, 0.525731f},
{0.000000f, -0.955423f, 0.295242f},
{0.238856f, -0.864188f, 0.442863f},
{0.262866f, -0.951056f, 0.162460f},
{0.500000f, -0.809017f, 0.309017f},
{0.716567f, -0.681718f, 0.147621f},
{0.525731f, -0.850651f, 0.000000f},
{-0.238856f, -0.864188f, -0.442863f},
{-0.500000f, -0.809017f, -0.309017f},
{-0.262866f, -0.951056f, -0.162460f},
{-0.850651f, -0.525731f, 0.000000f},
{-0.716567f, -0.681718f, -0.147621f},
{-0.716567f, -0.681718f, 0.147621f},
{-0.525731f, -0.850651f, 0.000000f},
{-0.500000f, -0.809017f, 0.309017f},
{-0.238856f, -0.864188f, 0.442863f},
{-0.262866f, -0.951056f, 0.162460f},
{-0.864188f, -0.442863f, 0.238856f},
{-0.809017f, -0.309017f, 0.500000f},
{-0.688191f, -0.587785f, 0.425325f},
{-0.681718f, -0.147621f, 0.716567f},
{-0.442863f, -0.238856f, 0.864188f},
{-0.587785f, -0.425325f, 0.688191f},
{-0.309017f, -0.500000f, 0.809017f},
{-0.147621f, -0.716567f, 0.681718f},
{-0.425325f, -0.688191f, 0.587785f},
{-0.162460f, -0.262866f, 0.951056f},
{0.442863f, -0.238856f, 0.864188f},
{0.162460f, -0.262866f, 0.951056f},
{0.309017f, -0.500000f, 0.809017f},
{0.147621f, -0.716567f, 0.681718f},
{0.000000f, -0.525731f, 0.850651f},
{0.425325f, -0.688191f, 0.587785f},
{0.587785f, -0.425325f, 0.688191f},
{0.688191f, -0.587785f, 0.425325f},
{-0.955423f, 0.295242f, 0.000000f},
{-0.951056f, 0.162460f, 0.262866f},
{-1.000000f, 0.000000f, 0.000000f},
{-0.850651f, 0.000000f, 0.525731f},
{-0.955423f, -0.295242f, 0.000000f},
{-0.951056f, -0.162460f, 0.262866f},
{-0.864188f, 0.442863f, -0.238856f},
{-0.951056f, 0.162460f, -0.262866f},
{-0.809017f, 0.309017f, -0.500000f},
{-0.864188f, -0.442863f, -0.238856f},
{-0.951056f, -0.162460f, -0.262866f},
{-0.809017f, -0.309017f, -0.500000f},
{-0.681718f, 0.147621f, -0.716567f},
{-0.681718f, -0.147621f, -0.716567f},
{-0.850651f, 0.000000f, -0.525731f},
{-0.688191f, 0.587785f, -0.425325f},
{-0.587785f, 0.425325f, -0.688191f},
{-0.425325f, 0.688191f, -0.587785f},
{-0.425325f, -0.688191f, -0.587785f},
{-0.587785f, -0.425325f, -0.688191f},
{-0.688191f, -0.587785f, -0.425325f},
};
md2_t md2_models[NUMSPRITES]; md2_t md2_models[NUMSPRITES];
md2_t md2_playermodels[MAXSKINS]; md2_t md2_playermodels[MAXSKINS];
@ -248,36 +83,9 @@ md2_t md2_playermodels[MAXSKINS];
/* /*
* free model * free model
*/ */
static void md2_freeModel (md2_model_t *model) static void md2_freeModel (model_t *model)
{ {
if (model) UnloadModel(model);
{
if (model->skins)
free(model->skins);
if (model->texCoords)
free(model->texCoords);
if (model->triangles)
free(model->triangles);
if (model->frames)
{
size_t i;
for (i = 0; i < model->header.numFrames; i++)
{
if (model->frames[i].vertices)
free(model->frames[i].vertices);
}
free(model->frames);
}
if (model->glCommandBuffer)
free(model->glCommandBuffer);
free(model);
}
} }
@ -285,157 +93,13 @@ static void md2_freeModel (md2_model_t *model)
// load model // load model
// //
// Hurdler: the current path is the Legacy.exe path // Hurdler: the current path is the Legacy.exe path
static md2_model_t *md2_readModel(const char *filename) static model_t *md2_readModel(const char *filename)
{ {
FILE *file;
md2_model_t *model;
UINT8 buffer[MD2_MAX_FRAMESIZE];
size_t i;
model = calloc(1, sizeof (*model));
if (model == NULL)
return 0;
//Filename checking fixed ~Monster Iestyn and Golden //Filename checking fixed ~Monster Iestyn and Golden
file = fopen(va("%s"PATHSEP"%s", srb2home, filename), "rb"); return LoadModel(va("%s"PATHSEP"%s", srb2home, filename), PU_STATIC);
if (!file)
{
free(model);
return 0;
} }
// initialize model and read header static inline void md2_printModelInfo (model_t *model)
if (fread(&model->header, sizeof (model->header), 1, file) != 1
|| model->header.magic != MD2_IDENT
|| model->header.version != MD2_VERSION)
{
fclose(file);
free(model);
return 0;
}
model->header.numSkins = 1;
#define MD2LIMITCHECK(field, max, msgname) \
if (field > max) \
{ \
CONS_Alert(CONS_ERROR, "md2_readModel: %s has too many " msgname " (# found: %d, maximum: %d)\n", filename, field, max); \
md2_freeModel (model); \
fclose(file); \
return 0; \
}
// Uncomment if these are actually needed
// MD2LIMITCHECK(model->header.numSkins, MD2_MAX_SKINS, "skins")
// MD2LIMITCHECK(model->header.numTexCoords, MD2_MAX_TEXCOORDS, "texture coordinates")
MD2LIMITCHECK(model->header.numTriangles, MD2_MAX_TRIANGLES, "triangles")
MD2LIMITCHECK(model->header.numFrames, MD2_MAX_FRAMES, "frames")
MD2LIMITCHECK(model->header.numVertices, MD2_MAX_VERTICES, "vertices")
#undef MD2LIMITCHECK
// read skins
fseek(file, model->header.offsetSkins, SEEK_SET);
if (model->header.numSkins > 0)
{
model->skins = calloc(sizeof (md2_skin_t), model->header.numSkins);
if (!model->skins || model->header.numSkins !=
fread(model->skins, sizeof (md2_skin_t), model->header.numSkins, file))
{
md2_freeModel (model);
fclose(file);
return 0;
}
}
// read texture coordinates
fseek(file, model->header.offsetTexCoords, SEEK_SET);
if (model->header.numTexCoords > 0)
{
model->texCoords = calloc(sizeof (md2_textureCoordinate_t), model->header.numTexCoords);
if (!model->texCoords || model->header.numTexCoords !=
fread(model->texCoords, sizeof (md2_textureCoordinate_t), model->header.numTexCoords, file))
{
md2_freeModel (model);
fclose(file);
return 0;
}
}
// read triangles
fseek(file, model->header.offsetTriangles, SEEK_SET);
if (model->header.numTriangles > 0)
{
model->triangles = calloc(sizeof (md2_triangle_t), model->header.numTriangles);
if (!model->triangles || model->header.numTriangles !=
fread(model->triangles, sizeof (md2_triangle_t), model->header.numTriangles, file))
{
md2_freeModel (model);
fclose(file);
return 0;
}
}
// read alias frames
fseek(file, model->header.offsetFrames, SEEK_SET);
if (model->header.numFrames > 0)
{
model->frames = calloc(sizeof (md2_frame_t), model->header.numFrames);
if (!model->frames)
{
md2_freeModel (model);
fclose(file);
return 0;
}
for (i = 0; i < model->header.numFrames; i++)
{
md2_alias_frame_t *frame = (md2_alias_frame_t *)(void *)buffer;
size_t j;
model->frames[i].vertices = calloc(sizeof (md2_triangleVertex_t), model->header.numVertices);
if (!model->frames[i].vertices || model->header.frameSize !=
fread(frame, 1, model->header.frameSize, file))
{
md2_freeModel (model);
fclose(file);
return 0;
}
strcpy(model->frames[i].name, frame->name);
for (j = 0; j < model->header.numVertices; j++)
{
model->frames[i].vertices[j].vertex[0] = (float) ((INT32) frame->alias_vertices[j].vertex[0]) * frame->scale[0] + frame->translate[0];
model->frames[i].vertices[j].vertex[2] = -1* ((float) ((INT32) frame->alias_vertices[j].vertex[1]) * frame->scale[1] + frame->translate[1]);
model->frames[i].vertices[j].vertex[1] = (float) ((INT32) frame->alias_vertices[j].vertex[2]) * frame->scale[2] + frame->translate[2];
model->frames[i].vertices[j].normal[0] = avertexnormals[frame->alias_vertices[j].lightNormalIndex][0];
model->frames[i].vertices[j].normal[1] = avertexnormals[frame->alias_vertices[j].lightNormalIndex][1];
model->frames[i].vertices[j].normal[2] = avertexnormals[frame->alias_vertices[j].lightNormalIndex][2];
}
}
}
// read gl commands
fseek(file, model->header.offsetGlCommands, SEEK_SET);
if (model->header.numGlCommands)
{
model->glCommandBuffer = calloc(sizeof (INT32), model->header.numGlCommands);
if (!model->glCommandBuffer || model->header.numGlCommands !=
fread(model->glCommandBuffer, sizeof (INT32), model->header.numGlCommands, file))
{
md2_freeModel (model);
fclose(file);
return 0;
}
}
fclose(file);
return model;
}
static inline void md2_printModelInfo (md2_model_t *model)
{ {
#if 0 #if 0
INT32 i; INT32 i;
@ -936,7 +600,7 @@ void HWR_AddSpriteMD2(size_t spritenum) // For MD2s that were added after startu
return; return;
} }
// Check for any MD2s that match the names of player skins! // Check for any MD2s that match the names of sprite names!
while (fscanf(f, "%19s %31s %f %f", name, filename, &scale, &offset) == 4) while (fscanf(f, "%19s %31s %f %f", name, filename, &scale, &offset) == 4)
{ {
if (stricmp(name, sprnames[spritenum]) == 0) if (stricmp(name, sprnames[spritenum]) == 0)
@ -1216,10 +880,9 @@ void HWR_DrawMD2(gr_vissprite_t *spr)
// Look at HWR_ProjectSprite for more // Look at HWR_ProjectSprite for more
{ {
GLPatch_t *gpatch; GLPatch_t *gpatch;
INT32 *buff;
INT32 durs = spr->mobj->state->tics; INT32 durs = spr->mobj->state->tics;
INT32 tics = spr->mobj->tics; INT32 tics = spr->mobj->tics;
md2_frame_t *curr, *next = NULL; mdlframe_t *curr, *next = NULL;
const UINT8 flip = (UINT8)((spr->mobj->eflags & MFE_VERTICALFLIP) == MFE_VERTICALFLIP); const UINT8 flip = (UINT8)((spr->mobj->eflags & MFE_VERTICALFLIP) == MFE_VERTICALFLIP);
spritedef_t *sprdef; spritedef_t *sprdef;
spriteframe_t *sprframe; spriteframe_t *sprframe;
@ -1332,9 +995,8 @@ void HWR_DrawMD2(gr_vissprite_t *spr)
} }
//FIXME: this is not yet correct //FIXME: this is not yet correct
frame = (spr->mobj->frame & FF_FRAMEMASK) % md2->model->header.numFrames; frame = (spr->mobj->frame & FF_FRAMEMASK) % md2->model->meshes[0].numFrames;
buff = md2->model->glCommandBuffer; curr = &md2->model->meshes[0].frames[frame];
curr = &md2->model->frames[frame];
#if 0 #if 0
if (cv_grmd2.value == 1 && tics <= durs) if (cv_grmd2.value == 1 && tics <= durs)
{ {
@ -1401,7 +1063,6 @@ void HWR_DrawMD2(gr_vissprite_t *spr)
p.anglex = FIXED_TO_FLOAT(tempangle); p.anglex = FIXED_TO_FLOAT(tempangle);
} }
color[0] = Surf.FlatColor.s.red; color[0] = Surf.FlatColor.s.red;
color[1] = Surf.FlatColor.s.green; color[1] = Surf.FlatColor.s.green;
color[2] = Surf.FlatColor.s.blue; color[2] = Surf.FlatColor.s.blue;
@ -1413,7 +1074,7 @@ void HWR_DrawMD2(gr_vissprite_t *spr)
p.flip = atransform.flip; p.flip = atransform.flip;
p.mirror = atransform.mirror; p.mirror = atransform.mirror;
HWD.pfnDrawMD2i(buff, curr, durs, tics, next, &p, finalscale, flip, color); HWD.pfnDrawModel(md2->model, curr, durs, tics, next, &p, finalscale, flip, color);
} }
} }

94
src/hardware/hw_md2.h
View file

@ -22,97 +22,7 @@
#define _HW_MD2_H_ #define _HW_MD2_H_
#include "hw_glob.h" #include "hw_glob.h"
#include "hw_model.h"
// magic number "IDP2" or 844121161
#define MD2_IDENT (INT32)(('2' << 24) + ('P' << 16) + ('D' << 8) + 'I')
// model version
#define MD2_VERSION 8
#define MD2_MAX_TRIANGLES 16384
#define MD2_MAX_VERTICES 4096
#define MD2_MAX_TEXCOORDS 4096
#define MD2_MAX_FRAMES 512
#define MD2_MAX_SKINS 32
#define MD2_MAX_FRAMESIZE (MD2_MAX_VERTICES * 4 + 128)
#if defined(_MSC_VER)
#pragma pack(1)
#endif
typedef struct
{
UINT32 magic;
UINT32 version;
UINT32 skinWidth;
UINT32 skinHeight;
UINT32 frameSize;
UINT32 numSkins;
UINT32 numVertices;
UINT32 numTexCoords;
UINT32 numTriangles;
UINT32 numGlCommands;
UINT32 numFrames;
UINT32 offsetSkins;
UINT32 offsetTexCoords;
UINT32 offsetTriangles;
UINT32 offsetFrames;
UINT32 offsetGlCommands;
UINT32 offsetEnd;
} ATTRPACK md2_header_t; //NOTE: each of md2_header's members are 4 unsigned bytes
typedef struct
{
UINT8 vertex[3];
UINT8 lightNormalIndex;
} ATTRPACK md2_alias_triangleVertex_t;
typedef struct
{
float vertex[3];
float normal[3];
} ATTRPACK md2_triangleVertex_t;
typedef struct
{
INT16 vertexIndices[3];
INT16 textureIndices[3];
} ATTRPACK md2_triangle_t;
typedef struct
{
INT16 s, t;
} ATTRPACK md2_textureCoordinate_t;
typedef struct
{
float scale[3];
float translate[3];
char name[16];
md2_alias_triangleVertex_t alias_vertices[1];
} ATTRPACK md2_alias_frame_t;
typedef struct
{
char name[16];
md2_triangleVertex_t *vertices;
} ATTRPACK md2_frame_t;
typedef char md2_skin_t[64];
typedef struct
{
float s, t;
INT32 vertexIndex;
} ATTRPACK md2_glCommandVertex_t;
typedef struct
{
md2_header_t header;
md2_skin_t *skins;
md2_textureCoordinate_t *texCoords;
md2_triangle_t *triangles;
md2_frame_t *frames;
INT32 *glCommandBuffer;
} ATTRPACK md2_model_t;
#if defined(_MSC_VER) #if defined(_MSC_VER)
#pragma pack() #pragma pack()
@ -123,7 +33,7 @@ typedef struct
char filename[32]; char filename[32];
float scale; float scale;
float offset; float offset;
md2_model_t *model; model_t *model;
void *grpatch; void *grpatch;
void *blendgrpatch; void *blendgrpatch;
boolean notfound; boolean notfound;

520
src/hardware/hw_md2load.c Normal file
View file

@ -0,0 +1,520 @@
/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../doomdef.h"
#include "hw_md2load.h"
#include "hw_model.h"
#include "../z_zone.h"
#define NUMVERTEXNORMALS 162
// Quake 2 normals are indexed. Use avertexnormals[normalindex][x/y/z] and
// you'll have your normals.
float avertexnormals[NUMVERTEXNORMALS][3] = {
{-0.525731f, 0.000000f, 0.850651f},
{-0.442863f, 0.238856f, 0.864188f},
{-0.295242f, 0.000000f, 0.955423f},
{-0.309017f, 0.500000f, 0.809017f},
{-0.162460f, 0.262866f, 0.951056f},
{0.000000f, 0.000000f, 1.000000f},
{0.000000f, 0.850651f, 0.525731f},
{-0.147621f, 0.716567f, 0.681718f},
{0.147621f, 0.716567f, 0.681718f},
{0.000000f, 0.525731f, 0.850651f},
{0.309017f, 0.500000f, 0.809017f},
{0.525731f, 0.000000f, 0.850651f},
{0.295242f, 0.000000f, 0.955423f},
{0.442863f, 0.238856f, 0.864188f},
{0.162460f, 0.262866f, 0.951056f},
{-0.681718f, 0.147621f, 0.716567f},
{-0.809017f, 0.309017f, 0.500000f},
{-0.587785f, 0.425325f, 0.688191f},
{-0.850651f, 0.525731f, 0.000000f},
{-0.864188f, 0.442863f, 0.238856f},
{-0.716567f, 0.681718f, 0.147621f},
{-0.688191f, 0.587785f, 0.425325f},
{-0.500000f, 0.809017f, 0.309017f},
{-0.238856f, 0.864188f, 0.442863f},
{-0.425325f, 0.688191f, 0.587785f},
{-0.716567f, 0.681718f, -0.147621f},
{-0.500000f, 0.809017f, -0.309017f},
{-0.525731f, 0.850651f, 0.000000f},
{0.000000f, 0.850651f, -0.525731f},
{-0.238856f, 0.864188f, -0.442863f},
{0.000000f, 0.955423f, -0.295242f},
{-0.262866f, 0.951056f, -0.162460f},
{0.000000f, 1.000000f, 0.000000f},
{0.000000f, 0.955423f, 0.295242f},
{-0.262866f, 0.951056f, 0.162460f},
{0.238856f, 0.864188f, 0.442863f},
{0.262866f, 0.951056f, 0.162460f},
{0.500000f, 0.809017f, 0.309017f},
{0.238856f, 0.864188f, -0.442863f},
{0.262866f, 0.951056f, -0.162460f},
{0.500000f, 0.809017f, -0.309017f},
{0.850651f, 0.525731f, 0.000000f},
{0.716567f, 0.681718f, 0.147621f},
{0.716567f, 0.681718f, -0.147621f},
{0.525731f, 0.850651f, 0.000000f},
{0.425325f, 0.688191f, 0.587785f},
{0.864188f, 0.442863f, 0.238856f},
{0.688191f, 0.587785f, 0.425325f},
{0.809017f, 0.309017f, 0.500000f},
{0.681718f, 0.147621f, 0.716567f},
{0.587785f, 0.425325f, 0.688191f},
{0.955423f, 0.295242f, 0.000000f},
{1.000000f, 0.000000f, 0.000000f},
{0.951056f, 0.162460f, 0.262866f},
{0.850651f, -0.525731f, 0.000000f},
{0.955423f, -0.295242f, 0.000000f},
{0.864188f, -0.442863f, 0.238856f},
{0.951056f, -0.162460f, 0.262866f},
{0.809017f, -0.309017f, 0.500000f},
{0.681718f, -0.147621f, 0.716567f},
{0.850651f, 0.000000f, 0.525731f},
{0.864188f, 0.442863f, -0.238856f},
{0.809017f, 0.309017f, -0.500000f},
{0.951056f, 0.162460f, -0.262866f},
{0.525731f, 0.000000f, -0.850651f},
{0.681718f, 0.147621f, -0.716567f},
{0.681718f, -0.147621f, -0.716567f},
{0.850651f, 0.000000f, -0.525731f},
{0.809017f, -0.309017f, -0.500000f},
{0.864188f, -0.442863f, -0.238856f},
{0.951056f, -0.162460f, -0.262866f},
{0.147621f, 0.716567f, -0.681718f},
{0.309017f, 0.500000f, -0.809017f},
{0.425325f, 0.688191f, -0.587785f},
{0.442863f, 0.238856f, -0.864188f},
{0.587785f, 0.425325f, -0.688191f},
{0.688191f, 0.587785f, -0.425325f},
{-0.147621f, 0.716567f, -0.681718f},
{-0.309017f, 0.500000f, -0.809017f},
{0.000000f, 0.525731f, -0.850651f},
{-0.525731f, 0.000000f, -0.850651f},
{-0.442863f, 0.238856f, -0.864188f},
{-0.295242f, 0.000000f, -0.955423f},
{-0.162460f, 0.262866f, -0.951056f},
{0.000000f, 0.000000f, -1.000000f},
{0.295242f, 0.000000f, -0.955423f},
{0.162460f, 0.262866f, -0.951056f},
{-0.442863f, -0.238856f, -0.864188f},
{-0.309017f, -0.500000f, -0.809017f},
{-0.162460f, -0.262866f, -0.951056f},
{0.000000f, -0.850651f, -0.525731f},
{-0.147621f, -0.716567f, -0.681718f},
{0.147621f, -0.716567f, -0.681718f},
{0.000000f, -0.525731f, -0.850651f},
{0.309017f, -0.500000f, -0.809017f},
{0.442863f, -0.238856f, -0.864188f},
{0.162460f, -0.262866f, -0.951056f},
{0.238856f, -0.864188f, -0.442863f},
{0.500000f, -0.809017f, -0.309017f},
{0.425325f, -0.688191f, -0.587785f},
{0.716567f, -0.681718f, -0.147621f},
{0.688191f, -0.587785f, -0.425325f},
{0.587785f, -0.425325f, -0.688191f},
{0.000000f, -0.955423f, -0.295242f},
{0.000000f, -1.000000f, 0.000000f},
{0.262866f, -0.951056f, -0.162460f},
{0.000000f, -0.850651f, 0.525731f},
{0.000000f, -0.955423f, 0.295242f},
{0.238856f, -0.864188f, 0.442863f},
{0.262866f, -0.951056f, 0.162460f},
{0.500000f, -0.809017f, 0.309017f},
{0.716567f, -0.681718f, 0.147621f},
{0.525731f, -0.850651f, 0.000000f},
{-0.238856f, -0.864188f, -0.442863f},
{-0.500000f, -0.809017f, -0.309017f},
{-0.262866f, -0.951056f, -0.162460f},
{-0.850651f, -0.525731f, 0.000000f},
{-0.716567f, -0.681718f, -0.147621f},
{-0.716567f, -0.681718f, 0.147621f},
{-0.525731f, -0.850651f, 0.000000f},
{-0.500000f, -0.809017f, 0.309017f},
{-0.238856f, -0.864188f, 0.442863f},
{-0.262866f, -0.951056f, 0.162460f},
{-0.864188f, -0.442863f, 0.238856f},
{-0.809017f, -0.309017f, 0.500000f},
{-0.688191f, -0.587785f, 0.425325f},
{-0.681718f, -0.147621f, 0.716567f},
{-0.442863f, -0.238856f, 0.864188f},
{-0.587785f, -0.425325f, 0.688191f},
{-0.309017f, -0.500000f, 0.809017f},
{-0.147621f, -0.716567f, 0.681718f},
{-0.425325f, -0.688191f, 0.587785f},
{-0.162460f, -0.262866f, 0.951056f},
{0.442863f, -0.238856f, 0.864188f},
{0.162460f, -0.262866f, 0.951056f},
{0.309017f, -0.500000f, 0.809017f},
{0.147621f, -0.716567f, 0.681718f},
{0.000000f, -0.525731f, 0.850651f},
{0.425325f, -0.688191f, 0.587785f},
{0.587785f, -0.425325f, 0.688191f},
{0.688191f, -0.587785f, 0.425325f},
{-0.955423f, 0.295242f, 0.000000f},
{-0.951056f, 0.162460f, 0.262866f},
{-1.000000f, 0.000000f, 0.000000f},
{-0.850651f, 0.000000f, 0.525731f},
{-0.955423f, -0.295242f, 0.000000f},
{-0.951056f, -0.162460f, 0.262866f},
{-0.864188f, 0.442863f, -0.238856f},
{-0.951056f, 0.162460f, -0.262866f},
{-0.809017f, 0.309017f, -0.500000f},
{-0.864188f, -0.442863f, -0.238856f},
{-0.951056f, -0.162460f, -0.262866f},
{-0.809017f, -0.309017f, -0.500000f},
{-0.681718f, 0.147621f, -0.716567f},
{-0.681718f, -0.147621f, -0.716567f},
{-0.850651f, 0.000000f, -0.525731f},
{-0.688191f, 0.587785f, -0.425325f},
{-0.587785f, 0.425325f, -0.688191f},
{-0.425325f, 0.688191f, -0.587785f},
{-0.425325f, -0.688191f, -0.587785f},
{-0.587785f, -0.425325f, -0.688191f},
{-0.688191f, -0.587785f, -0.425325f},
};
typedef struct
{
int ident; // A "magic number" that's used to identify the .md2 file
int version; // The version of the file, always 8
int skinwidth; // Width of the skin(s) in pixels
int skinheight; // Height of the skin(s) in pixels
int framesize; // Size of each frame in bytes
int numSkins; // Number of skins with the model
int numXYZ; // Number of vertices in each frame
int numST; // Number of texture coordinates in each frame.
int numTris; // Number of triangles in each frame
int numGLcmds; // Number of dwords (4 bytes) in the gl command list.
int numFrames; // Number of frames
int offsetSkins; // Offset, in bytes from the start of the file, to the list of skin names.
int offsetST; // Offset, in bytes from the start of the file, to the list of texture coordinates
int offsetTris; // Offset, in bytes from the start of the file, to the list of triangles
int offsetFrames; // Offset, in bytes from the start of the file, to the list of frames
int offsetGLcmds; // Offset, in bytes from the start of the file, to the list of gl commands
int offsetEnd; // Offset, in bytes from the start of the file, to the end of the file (filesize)
} md2header_t;
typedef struct
{
unsigned short meshIndex[3]; // indices into the array of vertices in each frames
unsigned short stIndex[3]; // indices into the array of texture coordinates
} md2triangle_t;
typedef struct
{
short s;
short t;
} md2texcoord_t;
typedef struct
{
unsigned char v[3]; // Scaled vertices. You'll need to multiply them with scale[x] to make them normal.
unsigned char lightNormalIndex; // Index to the array of normals
} md2vertex_t;
typedef struct
{
float scale[3]; // Used by the v member in the md2framePoint structure
float translate[3]; // Used by the v member in the md2framePoint structure
char name[16]; // Name of the frame
} md2frame_t;
// Load the model
model_t *MD2_LoadModel(const char *fileName, int ztag, boolean useFloat)
{
useFloat = true; // Right now we always useFloat = true, because the GL subsystem needs some work for the other option to work.
model_t *retModel = NULL;
md2header_t *header;
FILE *f = fopen(fileName, "rb");
if (!f)
return NULL;
retModel = (model_t*)Z_Calloc(sizeof(model_t), ztag, 0);
size_t fileLen;
int i, j;
size_t namelen;
char *texturefilename;
const char *texPos = strchr(fileName, '/');
if (texPos)
{
texPos++;
namelen = strlen(texPos) + 1;
texturefilename = (char*)Z_Malloc(namelen, PU_CACHE, 0);
strcpy(texturefilename, texPos);
}
else
{
namelen = strlen(fileName) + 1;
texturefilename = (char*)Z_Malloc(namelen, PU_CACHE, 0);
strcpy(texturefilename, fileName);
}
texturefilename[namelen-2] = 'z';
texturefilename[namelen-3] = 'u';
texturefilename[namelen-4] = 'b';
// find length of file
fseek(f, 0, SEEK_END);
fileLen = ftell(f);
fseek(f, 0, SEEK_SET);
// read in file
char *buffer = malloc(fileLen);
fread(buffer, fileLen, 1, f);
fclose(f);
// get pointer to file header
header = (md2header_t*)buffer;
retModel->numMeshes = 1; // MD2 only has one mesh
retModel->meshes = (mesh_t*)Z_Calloc(sizeof(mesh_t) * retModel->numMeshes, ztag, 0);
retModel->meshes[0].numFrames = header->numFrames;
const float WUNITS = 1.0f;
float dataScale = WUNITS;
// Tris and ST are simple structures that can be straight-copied
md2triangle_t *tris = (md2triangle_t*)&buffer[header->offsetTris];
md2texcoord_t *texcoords = (md2texcoord_t*)&buffer[header->offsetST];
md2frame_t *frames = (md2frame_t*)&buffer[header->offsetFrames];
// Read in textures
retModel->numMaterials = header->numSkins;
if (retModel->numMaterials <= 0) // Always at least one skin, duh
retModel->numMaterials = 1;
retModel->materials = (material_t*)Z_Calloc(sizeof(material_t)*retModel->numMaterials, ztag, 0);
int t;
for (t = 0; t < retModel->numMaterials; t++)
{
retModel->materials[t].ambient[0] = 0.8f;
retModel->materials[t].ambient[1] = 0.8f;
retModel->materials[t].ambient[2] = 0.8f;
retModel->materials[t].ambient[3] = 1.0f;
retModel->materials[t].diffuse[0] = 0.8f;
retModel->materials[t].diffuse[1] = 0.8f;
retModel->materials[t].diffuse[2] = 0.8f;
retModel->materials[t].diffuse[3] = 1.0f;
retModel->materials[t].emissive[0] = 0.0f;
retModel->materials[t].emissive[1] = 0.0f;
retModel->materials[t].emissive[2] = 0.0f;
retModel->materials[t].emissive[3] = 1.0f;
retModel->materials[t].specular[0] = 0.0f;
retModel->materials[t].specular[1] = 0.0f;
retModel->materials[t].specular[2] = 0.0f;
retModel->materials[t].specular[3] = 1.0f;
retModel->materials[t].shininess = 0.0f;
retModel->materials[t].spheremap = false;
/* retModel->materials[t].texture = Texture::ReadTexture((char*)texturefilename, ZT_TEXTURE);
if (!systemSucks)
{
// Check for a normal map...??
char openfilename[1024];
char normalMapName[1024];
strcpy(normalMapName, texturefilename);
size_t len = strlen(normalMapName);
char *ptr = &normalMapName[len];
ptr--; // z
ptr--; // u
ptr--; // b
ptr--; // .
*ptr++ = '_';
*ptr++ = 'n';
*ptr++ = '.';
*ptr++ = 'b';
*ptr++ = 'u';
*ptr++ = 'z';
*ptr++ = '\0';
sprintf(openfilename, "%s/%s", "textures", normalMapName);
// Convert backslashes to forward slashes
for (int k = 0; k < 1024; k++)
{
if (openfilename[k] == '\0')
break;
if (openfilename[k] == '\\')
openfilename[k] = '/';
}
Resource::resource_t *res = Resource::Open(openfilename);
if (res)
{
Resource::Close(res);
retModel->materials[t].lightmap = Texture::ReadTexture(normalMapName, ZT_TEXTURE);
}
}*/
}
retModel->meshes[0].numTriangles = header->numTris;
if (!useFloat) // Decompress to MD3 'tinyframe' space
{
dataScale = 0.015624f; // 1 / 64.0f
retModel->meshes[0].tinyframes = (tinyframe_t*)Z_Calloc(sizeof(tinyframe_t)*header->numFrames, ztag, 0);
retModel->meshes[0].numVertices = header->numXYZ;
retModel->meshes[0].uvs = (float*)Z_Malloc (sizeof(float)*2*retModel->meshes[0].numVertices, ztag, 0);
byte *ptr = (byte*)frames;
for (i = 0; i < header->numFrames; i++, ptr += header->framesize)
{
md2frame_t *framePtr = (md2frame_t*)ptr;
retModel->meshes[0].tinyframes[i].vertices = (short*)Z_Malloc(sizeof(short)*3*header->numXYZ, ztag, 0);
retModel->meshes[0].tinyframes[i].normals = (char*)Z_Malloc(sizeof(char)*3*header->numXYZ, ztag, 0);
// if (retModel->materials[0].lightmap)
// retModel->meshes[0].tinyframes[i].tangents = (char*)malloc(sizeof(char));//(char*)Z_Malloc(sizeof(char)*3*header->numVerts, ztag);
retModel->meshes[0].indices = (unsigned short*)Z_Malloc(sizeof(unsigned short) * 3 * header->numTris, ztag, 0);
short *vertptr = retModel->meshes[0].tinyframes[i].vertices;
char *normptr = retModel->meshes[0].tinyframes[i].normals;
// char *tanptr = retModel->meshes[0].tinyframes[i].tangents;
retModel->meshes[0].tinyframes[i].material = &retModel->materials[0];
framePtr++; // Advance to vertex list
md2vertex_t *vertex = (md2vertex_t*)framePtr;
framePtr--;
for (j = 0; j < header->numXYZ; j++, vertex++)
{
*vertptr = (short)(((vertex->v[1] * framePtr->scale[1]) + framePtr->translate[1]) / dataScale);
vertptr++;
*vertptr = (short)(((vertex->v[2] * framePtr->scale[2]) + framePtr->translate[2]) / dataScale);
vertptr++;
*vertptr = (short)(((vertex->v[0] * framePtr->scale[0]) + framePtr->translate[0]) / dataScale);
vertptr++;
// Normal
*normptr++ = (byte)(avertexnormals[vertex->lightNormalIndex][1] * 127);
*normptr++ = (byte)(avertexnormals[vertex->lightNormalIndex][2] * 127);
*normptr++ = (byte)(avertexnormals[vertex->lightNormalIndex][0] * 127);
}
}
// This doesn't need to be done every frame!
md2triangle_t *trisPtr = tris;
unsigned short *indexptr = retModel->meshes[0].indices;
float *uvptr = (float*)retModel->meshes[0].uvs;
for (j = 0; j < header->numTris; j++, trisPtr++)
{
*indexptr = trisPtr->meshIndex[0];
indexptr++;
*indexptr = trisPtr->meshIndex[2];
indexptr++;
*indexptr = trisPtr->meshIndex[1];
indexptr++;
uvptr[trisPtr->meshIndex[1] * 2] = texcoords[trisPtr->stIndex[1]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[1] * 2 + 1] = (texcoords[trisPtr->stIndex[1]].t / (float)header->skinheight);
uvptr[trisPtr->meshIndex[2] * 2] = texcoords[trisPtr->stIndex[2]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[2] * 2 + 1] = (texcoords[trisPtr->stIndex[2]].t / (float)header->skinheight);
uvptr[trisPtr->meshIndex[0] * 2] = texcoords[trisPtr->stIndex[0]].s / (float)header->skinwidth;
uvptr[trisPtr->meshIndex[0] * 2 + 1] = (texcoords[trisPtr->stIndex[0]].t / (float)header->skinheight);
}
}
else // Full float loading method
{
retModel->meshes[0].numVertices = header->numTris*3;
retModel->meshes[0].frames = (mdlframe_t*)Z_Calloc(sizeof(mdlframe_t)*header->numFrames, ztag, 0);
retModel->meshes[0].uvs = (float*)Z_Malloc(sizeof(float)*2*retModel->meshes[0].numVertices, ztag, 0);
md2triangle_t *trisPtr = tris;
float *uvptr = retModel->meshes[0].uvs;
for (i = 0; i < retModel->meshes[0].numTriangles; i++, trisPtr++)
{
*uvptr++ = texcoords[trisPtr->stIndex[0]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[0]].t / (float)header->skinheight);
*uvptr++ = texcoords[trisPtr->stIndex[1]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[1]].t / (float)header->skinheight);
*uvptr++ = texcoords[trisPtr->stIndex[2]].s / (float)header->skinwidth;
*uvptr++ = (texcoords[trisPtr->stIndex[2]].t / (float)header->skinheight);
}
byte *ptr = (byte*)frames;
for (i = 0; i < header->numFrames; i++, ptr += header->framesize)
{
md2frame_t *framePtr = (md2frame_t*)ptr;
retModel->meshes[0].frames[i].normals = (float*)Z_Malloc(sizeof(float)*3*header->numTris*3, ztag, 0);
retModel->meshes[0].frames[i].vertices = (float*)Z_Malloc(sizeof(float)*3*header->numTris*3, ztag, 0);
// if (retModel->materials[0].lightmap)
// retModel->meshes[0].frames[i].tangents = (float*)malloc(sizeof(float));//(float*)Z_Malloc(sizeof(float)*3*header->numTris*3, ztag);
float *vertptr, *normptr;
normptr = (float*)retModel->meshes[0].frames[i].normals;
vertptr = (float*)retModel->meshes[0].frames[i].vertices;
trisPtr = tris;
retModel->meshes[0].frames[i].material = &retModel->materials[0];
framePtr++; // Advance to vertex list
md2vertex_t *vertex = (md2vertex_t*)framePtr;
framePtr--;
for (j = 0; j < header->numTris; j++, trisPtr++)
{
*vertptr = ((vertex[trisPtr->meshIndex[0]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[0]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[0]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[1]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[1]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[1]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[2]].v[0] * framePtr->scale[0]) + framePtr->translate[0]) * WUNITS;
vertptr++;
*vertptr = ((vertex[trisPtr->meshIndex[2]].v[2] * framePtr->scale[2]) + framePtr->translate[2]) * WUNITS;
vertptr++;
*vertptr = -1.0f * ((vertex[trisPtr->meshIndex[2]].v[1] * framePtr->scale[1]) + framePtr->translate[1]) * WUNITS;
vertptr++;
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][1];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[0]].lightNormalIndex][2];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][1];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[1]].lightNormalIndex][2];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][0];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][1];
*normptr++ = avertexnormals[vertex[trisPtr->meshIndex[2]].lightNormalIndex][2];
}
/*
// Rotate MD2 by 90 degrees in code BLAAHH
vector_t *normVecptr = (vector_t*)retModel->meshes[0].frames[i].normals;
vector_t *vertVecptr = (vector_t*)retModel->meshes[0].frames[i].vertices;
for (j = 0; j < header->numTris * 3; j++, normVecptr++, vertVecptr++)
{
VectorRotate(normVecptr, &vectorYaxis, -90.0f);
VectorRotate(vertVecptr, &vectorYaxis, -90.0f);
}*/
}
}
free(buffer);
return retModel;
}

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/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#ifndef _HW_MD2LOAD_H_
#define _HW_MD2LOAD_H_
#include "hw_model.h"
#include "../doomtype.h"
// Load the Model
model_t *MD2_LoadModel(const char *fileName, int ztag, boolean useFloat);
#endif

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/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "../doomdef.h"
#include "hw_md3load.h"
#include "hw_model.h"
#include "../z_zone.h"
typedef struct
{
int ident; // A "magic number" that's used to identify the .md3 file
int version; // The version of the file, always 15
char name[64];
int flags;
int numFrames; // Number of frames
int numTags;
int numSurfaces;
int numSkins; // Number of skins with the model
int offsetFrames;
int offsetTags;
int offsetSurfaces;
int offsetEnd; // Offset, in bytes from the start of the file, to the end of the file (filesize)
} md3modelHeader;
typedef struct
{
float minBounds[3]; // First corner of the bounding box
float maxBounds[3]; // Second corner of the bounding box
float localOrigin[3]; // Local origin, usually (0, 0, 0)
float radius; // Radius of bounding sphere
char name[16]; // Name of frame
} md3Frame;
typedef struct
{
char name[64]; // Name of tag
float origin[3]; // Coordinates of tag
float axis[9]; // Orientation of tag object
} md3Tag;
typedef struct
{
int ident;
char name[64]; // Name of this surface
int flags;
int numFrames; // # of keyframes
int numShaders; // # of shaders
int numVerts; // # of vertices
int numTriangles; // # of triangles
int offsetTriangles; // Relative offset from start of this struct to where the list of Triangles start
int offsetShaders; // Relative offset from start of this struct to where the list of Shaders start
int offsetST; // Relative offset from start of this struct to where the list of tex coords start
int offsetXYZNormal; // Relative offset from start of this struct to where the list of vertices start
int offsetEnd; // Relative offset from start of this struct to where this surface ends
} md3Surface;
typedef struct
{
char name[64]; // Name of this shader
int shaderIndex; // Shader index number
} md3Shader;
typedef struct
{
int index[3]; // List of offset values into the list of Vertex objects that constitute the corners of the Triangle object.
} md3Triangle;
typedef struct
{
float st[2];
} md3TexCoord;
typedef struct
{
short x, y, z, n;
} md3Vertex;
static float latlnglookup[256][256][3];
static void GetNormalFromLatLong(short latlng, float *out)
{
float *lookup = latlnglookup[(unsigned char)(latlng >> 8)][(unsigned char)(latlng & 255)];
out[0] = *lookup++;
out[1] = *lookup++;
out[2] = *lookup++;
}
static void NormalToLatLng(float *n, short *out)
{
// Special cases
if (0.0f == n[0] && 0.0f == n[1])
{
if (n[2] > 0.0f)
*out = 0;
else
*out = 128;
}
else
{
char x, y;
x = (char)(57.2957795f * (atan2(n[1], n[0])) * (255.0f / 360.0f));
y = (char)(57.2957795f * (acos(n[2])) * (255.0f / 360.0f));
*out = (x << 8) + y;
}
}
static inline void LatLngToNormal(short n, float *out)
{
const float PI = (3.1415926535897932384626433832795f);
float lat = (float)(n >> 8);
float lng = (float)(n & 255);
lat *= PI / 128.0f;
lng *= PI / 128.0f;
out[0] = cosf(lat) * sinf(lng);
out[1] = sinf(lat) * sinf(lng);
out[2] = cosf(lng);
}
static void LatLngInit(void)
{
int i, j;
for (i = 0; i < 256; i++)
{
for (j = 0; j < 256; j++)
LatLngToNormal((short)((i << 8) + j), latlnglookup[i][j]);
}
}
static bool latlnginit = false;
model_t *MD3_LoadModel(const char *fileName, int ztag, boolean useFloat)
{
useFloat = true; // Right now we always useFloat = true, because the GL subsystem needs some work for the other option to work.
if (!latlnginit)
{
LatLngInit();
latlnginit = true;
}
const float WUNITS = 1.0f;
model_t *retModel = NULL;
FILE *f = fopen(fileName, "rb");
if (!f)
return NULL;
retModel = (model_t*)Z_Calloc(sizeof(model_t), ztag, 0);
md3modelHeader *mdh;
// find length of file
fseek(f, 0, SEEK_END);
long fileLen = ftell(f);
fseek(f, 0, SEEK_SET);
// read in file
char *buffer = malloc(fileLen);
fread(buffer, fileLen, 1, f);
fclose(f);
// get pointer to file header
mdh = (md3modelHeader*)buffer;
retModel->numMeshes = mdh->numSurfaces;
retModel->numMaterials = 0;
int surfEnd = 0;
int i;
for (i = 0; i < mdh->numSurfaces; i++)
{
md3Surface *mdS = (md3Surface*)&buffer[mdh->offsetSurfaces];
surfEnd += mdS->offsetEnd;
retModel->numMaterials += mdS->numShaders;
}
// Initialize materials
if (retModel->numMaterials <= 0) // Always at least one skin, duh
retModel->numMaterials = 1;
retModel->materials = (material_t*)Z_Calloc(sizeof(material_t)*retModel->numMaterials, ztag, 0);
int t;
for (t = 0; t < retModel->numMaterials; t++)
{
retModel->materials[t].ambient[0] = 0.3686f;
retModel->materials[t].ambient[1] = 0.3684f;
retModel->materials[t].ambient[2] = 0.3684f;
retModel->materials[t].ambient[3] = 1.0f;
retModel->materials[t].diffuse[0] = 0.8863f;
retModel->materials[t].diffuse[1] = 0.8850f;
retModel->materials[t].diffuse[2] = 0.8850f;
retModel->materials[t].diffuse[3] = 1.0f;
retModel->materials[t].emissive[0] = 0.0f;
retModel->materials[t].emissive[1] = 0.0f;
retModel->materials[t].emissive[2] = 0.0f;
retModel->materials[t].emissive[3] = 1.0f;
retModel->materials[t].specular[0] = 0.4902f;
retModel->materials[t].specular[1] = 0.4887f;
retModel->materials[t].specular[2] = 0.4887f;
retModel->materials[t].specular[3] = 1.0f;
retModel->materials[t].shininess = 25.0f;
retModel->materials[t].spheremap = false;
}
retModel->meshes = (mesh_t*)Z_Calloc(sizeof(mesh_t)*retModel->numMeshes, ztag, 0);
int matCount = 0;
for (i = 0, surfEnd = 0; i < mdh->numSurfaces; i++)
{
md3Surface *mdS = (md3Surface*)&buffer[mdh->offsetSurfaces + surfEnd];
surfEnd += mdS->offsetEnd;
md3Shader *mdShader = (md3Shader*)((char*)mdS + mdS->offsetShaders);
int j;
for (j = 0; j < mdS->numShaders; j++, matCount++)
{
size_t len = strlen(mdShader[j].name);
mdShader[j].name[len-1] = 'z';
mdShader[j].name[len-2] = 'u';
mdShader[j].name[len-3] = 'b';
// Load material
/* retModel->materials[matCount].texture = Texture::ReadTexture(mdShader[j].name, ZT_TEXTURE);
if (!systemSucks)
{
// Check for a normal map...??
char openfilename[1024];
char normalMapName[1024];
strcpy(normalMapName, mdShader[j].name);
len = strlen(normalMapName);
char *ptr = &normalMapName[len];
ptr--; // z
ptr--; // u
ptr--; // b
ptr--; // .
*ptr++ = '_';
*ptr++ = 'n';
*ptr++ = '.';
*ptr++ = 'b';
*ptr++ = 'u';
*ptr++ = 'z';
*ptr++ = '\0';
sprintf(openfilename, "%s/%s", "textures", normalMapName);
// Convert backslashes to forward slashes
for (int k = 0; k < 1024; k++)
{
if (openfilename[k] == '\0')
break;
if (openfilename[k] == '\\')
openfilename[k] = '/';
}
Resource::resource_t *res = Resource::Open(openfilename);
if (res)
{
Resource::Close(res);
retModel->materials[matCount].lightmap = Texture::ReadTexture(normalMapName, ZT_TEXTURE);
}
}*/
}
retModel->meshes[i].numFrames = mdS->numFrames;
retModel->meshes[i].numTriangles = mdS->numTriangles;
if (!useFloat) // 'tinyframe' mode with indices
{
float tempNormal[3];
retModel->meshes[i].tinyframes = (tinyframe_t*)Z_Calloc(sizeof(tinyframe_t)*mdS->numFrames, ztag, 0);
retModel->meshes[i].numVertices = mdS->numVerts;
retModel->meshes[i].uvs = (float*)Z_Malloc(sizeof(float)*2*mdS->numVerts, ztag, 0);
for (j = 0; j < mdS->numFrames; j++)
{
md3Vertex *mdV = (md3Vertex*)((char*)mdS + mdS->offsetXYZNormal + (mdS->numVerts*j*sizeof(md3Vertex)));
retModel->meshes[i].tinyframes[j].vertices = (short*)Z_Malloc(sizeof(short)*3*mdS->numVerts, ztag, 0);
retModel->meshes[i].tinyframes[j].normals = (char*)Z_Malloc(sizeof(char)*3*mdS->numVerts, ztag, 0);
// if (retModel->materials[0].lightmap)
// retModel->meshes[i].tinyframes[j].tangents = (char*)malloc(sizeof(char));//(char*)Z_Malloc(sizeof(char)*3*mdS->numVerts, ztag);
retModel->meshes[i].indices = (unsigned short*)Z_Malloc(sizeof(unsigned short) * 3 * mdS->numTriangles, ztag, 0);
short *vertptr = retModel->meshes[i].tinyframes[j].vertices;
char *normptr = retModel->meshes[i].tinyframes[j].normals;
// char *tanptr = retModel->meshes[i].tinyframes[j].tangents;
retModel->meshes[i].tinyframes[j].material = &retModel->materials[i];
int k;
for (k = 0; k < mdS->numVerts; k++)
{
// Vertex
*vertptr = mdV[k].y;
vertptr++;
*vertptr = mdV[k].z;
vertptr++;
*vertptr = mdV[k].x;
vertptr++;
// Normal
GetNormalFromLatLong(mdV[k].n, tempNormal);
*normptr = (byte)(tempNormal[1] * 127);
normptr++;
*normptr = (byte)(tempNormal[2] * 127);
normptr++;
*normptr = (byte)(tempNormal[0] * 127);
normptr++;
}
}
float *uvptr = (float*)retModel->meshes[i].uvs;
md3TexCoord *mdST = (md3TexCoord*)((char*)mdS + mdS->offsetST);
for (j = 0; j < mdS->numVerts; j++)
{
*uvptr = mdST[j].st[0];
uvptr++;
*uvptr = 1.0f - mdST[j].st[1];
uvptr++;
}
unsigned short *indexptr = retModel->meshes[i].indices;
md3Triangle *mdT = (md3Triangle*)((char*)mdS + mdS->offsetTriangles);
for (j = 0; j < mdS->numTriangles; j++, mdT++)
{
// Indices
*indexptr = (unsigned short)mdT->index[0];
indexptr++;
*indexptr = (unsigned short)mdT->index[2];
indexptr++;
*indexptr = (unsigned short)mdT->index[1];
indexptr++;
}
}
else // Traditional full-float loading method
{
retModel->meshes[i].numVertices = mdS->numTriangles * 3;//mdS->numVerts;
float dataScale = 0.015624f * WUNITS;
float tempNormal[3];
retModel->meshes[i].frames = (mdlframe_t*)Z_Calloc(sizeof(mdlframe_t)*mdS->numFrames, ztag, 0);
retModel->meshes[i].uvs = (float*)Z_Malloc(sizeof(float)*2*mdS->numTriangles*3, ztag, 0);
for (j = 0; j < mdS->numFrames; j++)
{
md3Vertex *mdV = (md3Vertex*)((char*)mdS + mdS->offsetXYZNormal + (mdS->numVerts*j*sizeof(md3Vertex)));
retModel->meshes[i].frames[j].vertices = (float*)Z_Malloc(sizeof(float)*3*mdS->numTriangles*3, ztag, 0);
retModel->meshes[i].frames[j].normals = (float*)Z_Malloc(sizeof(float)*3*mdS->numTriangles*3, ztag, 0);
// if (retModel->materials[i].lightmap)
// retModel->meshes[i].frames[j].tangents = (float*)malloc(sizeof(float));//(float*)Z_Malloc(sizeof(float)*3*mdS->numTriangles*3, ztag);
float *vertptr = retModel->meshes[i].frames[j].vertices;
float *normptr = retModel->meshes[i].frames[j].normals;
retModel->meshes[i].frames[j].material = &retModel->materials[i];
int k;
md3Triangle *mdT = (md3Triangle*)((char*)mdS + mdS->offsetTriangles);
for (k = 0; k < mdS->numTriangles; k++)
{
// Vertex 1
*vertptr = mdV[mdT->index[0]].x * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[0]].z * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[0]].y * dataScale;
vertptr++;
GetNormalFromLatLong(mdV[mdT->index[0]].n, tempNormal);
*normptr = tempNormal[1];
normptr++;
*normptr = tempNormal[2];
normptr++;
*normptr = tempNormal[0];
normptr++;
// Vertex 2
*vertptr = mdV[mdT->index[2]].x * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[2]].z * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[2]].y * dataScale;
vertptr++;
GetNormalFromLatLong(mdV[mdT->index[2]].n, tempNormal);
*normptr = tempNormal[1];
normptr++;
*normptr = tempNormal[2];
normptr++;
*normptr = tempNormal[0];
normptr++;
// Vertex 3
*vertptr = mdV[mdT->index[1]].x * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[1]].z * dataScale;
vertptr++;
*vertptr = mdV[mdT->index[1]].y * dataScale;
vertptr++;
GetNormalFromLatLong(mdV[mdT->index[1]].n, tempNormal);
*normptr = tempNormal[1];
normptr++;
*normptr = tempNormal[2];
normptr++;
*normptr = tempNormal[0];
normptr++;
mdT++; // Advance to next triangle
}
}
md3TexCoord *mdST = (md3TexCoord*)((char*)mdS + mdS->offsetST);
float *uvptr = (float*)retModel->meshes[i].uvs;
int k;
md3Triangle *mdT = (md3Triangle*)((char*)mdS + mdS->offsetTriangles);
for (k = 0; k < mdS->numTriangles; k++)
{
*uvptr = mdST[mdT->index[0]].st[0];
uvptr++;
*uvptr = mdST[mdT->index[0]].st[1];
uvptr++;
*uvptr = mdST[mdT->index[2]].st[0];
uvptr++;
*uvptr = mdST[mdT->index[2]].st[1];
uvptr++;
*uvptr = mdST[mdT->index[1]].st[0];
uvptr++;
*uvptr = mdST[mdT->index[1]].st[1];
uvptr++;
mdT++; // Advance to next triangle
}
}
}
/*
// Tags?
retModel->numTags = mdh->numTags;
retModel->maxNumFrames = mdh->numFrames;
retModel->tags = (tag_t*)Z_Calloc(sizeof(tag_t) * retModel->numTags * mdh->numFrames, ztag);
md3Tag *mdTag = (md3Tag*)&buffer[mdh->offsetTags];
tag_t *curTag = retModel->tags;
for (i = 0; i < mdh->numFrames; i++)
{
int j;
for (j = 0; j < retModel->numTags; j++, mdTag++)
{
strcpys(curTag->name, mdTag->name, sizeof(curTag->name) / sizeof(char));
curTag->transform.m[0][0] = mdTag->axis[0];
curTag->transform.m[0][1] = mdTag->axis[1];
curTag->transform.m[0][2] = mdTag->axis[2];
curTag->transform.m[1][0] = mdTag->axis[3];
curTag->transform.m[1][1] = mdTag->axis[4];
curTag->transform.m[1][2] = mdTag->axis[5];
curTag->transform.m[2][0] = mdTag->axis[6];
curTag->transform.m[2][1] = mdTag->axis[7];
curTag->transform.m[2][2] = mdTag->axis[8];
curTag->transform.m[3][0] = mdTag->origin[0] * WUNITS;
curTag->transform.m[3][1] = mdTag->origin[1] * WUNITS;
curTag->transform.m[3][2] = mdTag->origin[2] * WUNITS;
curTag->transform.m[3][3] = 1.0f;
Matrix::Rotate(&curTag->transform, 90.0f, &Vector::Xaxis);
curTag++;
}
}*/
free(buffer);
return retModel;
}

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/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#ifndef _HW_MD3LOAD_H_
#define _HW_MD3LOAD_H_
#include "hw_model.h"
#include "../doomtype.h"
// Load the Model
model_t *MD3_LoadModel(const char *fileName, int ztag, boolean useFloat);
#endif

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/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#include "../z_zone.h"
#include "../doomdef.h"
#include "hw_model.h"
#include "hw_md2load.h"
#include "hw_md3load.h"
#include "u_list.h"
#include <string.h>
static float PI = (3.1415926535897932384626433832795f);
float U_Deg2Rad(float deg)
{
return deg * ((float)PI / 180.0f);
}
vector_t vectorXaxis = { 1.0f, 0.0f, 0.0f };
vector_t vectorYaxis = { 0.0f, 1.0f, 0.0f };
vector_t vectorZaxis = { 0.0f, 0.0f, 1.0f };
void VectorRotate(vector_t *rotVec, const vector_t *axisVec, float angle)
{
angle = U_Deg2Rad(angle);
// Rotate the point (x,y,z) around the vector (u,v,w)
float ux = axisVec->x * rotVec->x;
float uy = axisVec->x * rotVec->y;
float uz = axisVec->x * rotVec->z;
float vx = axisVec->y * rotVec->x;
float vy = axisVec->y * rotVec->y;
float vz = axisVec->y * rotVec->z;
float wx = axisVec->z * rotVec->x;
float wy = axisVec->z * rotVec->y;
float wz = axisVec->z * rotVec->z;
float sa = sinf(angle);
float ca = cosf(angle);
rotVec->x = axisVec->x*(ux + vy + wz) + (rotVec->x*(axisVec->y*axisVec->y + axisVec->z*axisVec->z) - axisVec->x*(vy + wz))*ca + (-wy + vz)*sa;
rotVec->y = axisVec->y*(ux + vy + wz) + (rotVec->y*(axisVec->x*axisVec->x + axisVec->z*axisVec->z) - axisVec->y*(ux + wz))*ca + (wx - uz)*sa;
rotVec->z = axisVec->z*(ux + vy + wz) + (rotVec->z*(axisVec->x*axisVec->x + axisVec->y*axisVec->y) - axisVec->z*(ux + vy))*ca + (-vx + uy)*sa;
}
void CreateVBOTiny(mesh_t *mesh, tinyframe_t *frame)
{
return;
/* int bufferSize = sizeof(VBO::vbotiny_t)*mesh->numTriangles*3;
VBO::vbotiny_t *buffer = (VBO::vbotiny_t*)Z_Malloc(bufferSize, PU_STATIC, 0);
VBO::vbotiny_t *bufPtr = buffer;
short *vertPtr = frame->vertices;
char *normPtr = frame->normals;
float *uvPtr = mesh->uvs;
char *tanPtr = frame->tangents;
int i;
for (i = 0; i < mesh->numTriangles*3; i++)
{
bufPtr->x = *vertPtr++;
bufPtr->y = *vertPtr++;
bufPtr->z = *vertPtr++;
bufPtr->nx = (*normPtr++) * 127;
bufPtr->ny = (*normPtr++) * 127;
bufPtr->nz = (*normPtr++) * 127;
bufPtr->s0 = *uvPtr++;
bufPtr->t0 = *uvPtr++;
if (tanPtr)
{
bufPtr->tanx = *tanPtr++;
bufPtr->tany = *tanPtr++;
bufPtr->tanz = *tanPtr++;
}
bufPtr++;
}
bglGenBuffers(1, &frame->vboID);
bglBindBuffer(BGL_ARRAY_BUFFER, frame->vboID);
bglBufferData(BGL_ARRAY_BUFFER, bufferSize, buffer, BGL_STATIC_DRAW);
Z_Free(buffer);*/
}
void CreateVBO(mesh_t *mesh, mdlframe_t *frame)
{
return;
/* int bufferSize = sizeof(VBO::vbo64_t)*mesh->numTriangles*3;
VBO::vbo64_t *buffer = (VBO::vbo64_t*)Z_Malloc(bufferSize, PU_STATIC, 0);
VBO::vbo64_t *bufPtr = buffer;
float *vertPtr = frame->vertices;
float *normPtr = frame->normals;
float *tanPtr = frame->tangents;
float *uvPtr = mesh->uvs;
float *lightPtr = mesh->lightuvs;
byte *colorPtr = frame->colors;
int i;
for (i = 0; i < mesh->numTriangles*3; i++)
{
bufPtr->x = *vertPtr++;
bufPtr->y = *vertPtr++;
bufPtr->z = *vertPtr++;
bufPtr->nx = *normPtr++;
bufPtr->ny = *normPtr++;
bufPtr->nz = *normPtr++;
bufPtr->s0 = *uvPtr++;
bufPtr->t0 = *uvPtr++;
if (tanPtr != NULL)
{
bufPtr->tan0 = *tanPtr++;
bufPtr->tan1 = *tanPtr++;
bufPtr->tan2 = *tanPtr++;
}
if (lightPtr != NULL)
{
bufPtr->s1 = *lightPtr++;
bufPtr->t1 = *lightPtr++;
}
if (colorPtr)
{
bufPtr->r = *colorPtr++;
bufPtr->g = *colorPtr++;
bufPtr->b = *colorPtr++;
bufPtr->a = *colorPtr++;
}
else
{
bufPtr->r = 255;
bufPtr->g = 255;
bufPtr->b = 255;
bufPtr->a = 255;
}
bufPtr++;
}
bglGenBuffers(1, &frame->vboID);
bglBindBuffer(BGL_ARRAY_BUFFER, frame->vboID);
bglBufferData(BGL_ARRAY_BUFFER, bufferSize, buffer, BGL_STATIC_DRAW);
Z_Free(buffer);*/
}
void UnloadModel(model_t *model)
{
// Wouldn't it be great if C just had destructors?
int i;
for (i = 0; i < model->numMeshes; i++)
{
mesh_t *mesh = &model->meshes[i];
if (mesh->frames)
{
int j;
for (j = 0; j < mesh->numFrames; j++)
{
if (mesh->frames[j].normals)
Z_Free(mesh->frames[j].normals);
if (mesh->frames[j].tangents)
Z_Free(mesh->frames[j].tangents);
if (mesh->frames[j].vertices)
Z_Free(mesh->frames[j].vertices);
if (mesh->frames[j].colors)
Z_Free(mesh->frames[j].colors);
}
Z_Free(mesh->frames);
}
else if (mesh->tinyframes)
{
int j;
for (j = 0; j < mesh->numFrames; j++)
{
if (mesh->tinyframes[j].normals)
Z_Free(mesh->tinyframes[j].normals);
if (mesh->tinyframes[j].tangents)
Z_Free(mesh->tinyframes[j].tangents);
if (mesh->tinyframes[j].vertices)
Z_Free(mesh->tinyframes[j].vertices);
}
if (mesh->indices)
Z_Free(mesh->indices);
Z_Free(mesh->tinyframes);
}
if (mesh->uvs)
Z_Free(mesh->uvs);
if (mesh->lightuvs)
Z_Free(mesh->lightuvs);
}
if (model->meshes)
Z_Free(model->meshes);
if (model->tags)
Z_Free(model->tags);
if (model->materials)
Z_Free(model->materials);
DeleteVBOs(model);
Z_Free(model);
}
tag_t *GetTagByName(model_t *model, char *name, int frame)
{
if (frame < model->maxNumFrames)
{
tag_t *iterator = &model->tags[frame * model->numTags];
int i;
for (i = 0; i < model->numTags; i++)
{
if (!stricmp(iterator[i].name, name))
return &iterator[i];
}
}
return NULL;
}
//
// LoadModel
//
// Load a model and
// convert it to the
// internal format.
//
model_t *LoadModel(const char *filename, int ztag)
{
model_t *model;
// What type of file?
const char *extension = NULL;
int i;
for (i = (int)strlen(filename)-1; i >= 0; i--)
{
if (filename[i] != '.')
continue;
extension = &filename[i];
break;
}
if (!extension)
{
CONS_Printf("Model %s is lacking a file extension, unable to determine type!\n", filename);
return NULL;
}
if (!strcmp(extension, ".md3"))
{
if (!(model = MD3_LoadModel(filename, ztag, false)))
return NULL;
}
else if (!strcmp(extension, ".md3s")) // MD3 that will be converted in memory to use full floats
{
if (!(model = MD3_LoadModel(filename, ztag, true)))
return NULL;
}
else if (!strcmp(extension, ".md2"))
{
if (!(model = MD2_LoadModel(filename, ztag, false)))
return NULL;
}
else if (!strcmp(extension, ".md2s"))
{
if (!(model = MD2_LoadModel(filename, ztag, true)))
return NULL;
}
else
{
CONS_Printf("Unknown model format: %s\n", extension);
return NULL;
}
model->mdlFilename = (char*)Z_Malloc(strlen(filename)+1, ztag, 0);
strcpy(model->mdlFilename, filename);
Optimize(model);
GeneratePolygonNormals(model, ztag);
// Default material properties
for (i = 0 ; i < model->numMaterials; i++)
{
material_t *material = &model->materials[i];
material->ambient[0] = 0.7686f;
material->ambient[1] = 0.7686f;
material->ambient[2] = 0.7686f;
material->ambient[3] = 1.0f;
material->diffuse[0] = 0.5863f;
material->diffuse[1] = 0.5863f;
material->diffuse[2] = 0.5863f;
material->diffuse[3] = 1.0f;
material->specular[0] = 0.4902f;
material->specular[1] = 0.4902f;
material->specular[2] = 0.4902f;
material->specular[3] = 1.0f;
material->shininess = 25.0f;
}
CONS_Printf("Generating VBOs for %s\n", filename);
for (i = 0; i < model->numMeshes; i++)
{
mesh_t *mesh = &model->meshes[i];
if (mesh->frames)
{
int j;
for (j = 0; j < model->meshes[i].numFrames; j++)
{
mdlframe_t *frame = &mesh->frames[j];
frame->vboID = 0;
CreateVBO(mesh, frame);
}
}
else if (mesh->tinyframes)
{
int j;
for (j = 0; j < model->meshes[i].numFrames; j++)
{
tinyframe_t *frame = &mesh->tinyframes[j];
frame->vboID = 0;
CreateVBOTiny(mesh, frame);
}
}
}
return model;
}
//
// GenerateVertexNormals
//
// Creates a new normal for a vertex using the average of all of the polygons it belongs to.
//
void GenerateVertexNormals(model_t *model)
{
int i;
for (i = 0; i < model->numMeshes; i++)
{
mesh_t *mesh = &model->meshes[i];
if (!mesh->frames)
continue;
int j;
for (j = 0; j < mesh->numFrames; j++)
{
mdlframe_t *frame = &mesh->frames[j];
int memTag = PU_STATIC;
float *newNormals = (float*)Z_Malloc(sizeof(float)*3*mesh->numTriangles*3, memTag, 0);
M_Memcpy(newNormals, frame->normals, sizeof(float)*3*mesh->numTriangles*3);
/* if (!systemSucks)
{
memTag = Z_GetTag(frame->tangents);
float *newTangents = (float*)Z_Malloc(sizeof(float)*3*mesh->numTriangles*3, memTag);
M_Memcpy(newTangents, frame->tangents, sizeof(float)*3*mesh->numTriangles*3);
}*/
int k;
float *vertPtr = frame->vertices;
for (k = 0; k < mesh->numVertices; k++)
{
float x, y, z;
x = *vertPtr++;
y = *vertPtr++;
z = *vertPtr++;
int vCount = 0;
vector_t normal;
normal.x = normal.y = normal.z = 0;
int l;
float *testPtr = frame->vertices;
for (l = 0; l < mesh->numVertices; l++)
{
float testX, testY, testZ;
testX = *testPtr++;
testY = *testPtr++;
testZ = *testPtr++;
if (x != testX || y != testY || z != testZ)
continue;
// Found a vertex match! Add it...
normal.x += frame->normals[3 * l + 0];
normal.y += frame->normals[3 * l + 1];
normal.z += frame->normals[3 * l + 2];
vCount++;
}
if (vCount > 1)
{
// Vector::Normalize(&normal);
newNormals[3 * k + 0] = (float)normal.x;
newNormals[3 * k + 1] = (float)normal.y;
newNormals[3 * k + 2] = (float)normal.z;
/* if (!systemSucks)
{
Vector::vector_t tangent;
Vector::Tangent(&normal, &tangent);
newTangents[3 * k + 0] = tangent.x;
newTangents[3 * k + 1] = tangent.y;
newTangents[3 * k + 2] = tangent.z;
}*/
}
}
float *oldNormals = frame->normals;
frame->normals = newNormals;
Z_Free(oldNormals);
/* if (!systemSucks)
{
float *oldTangents = frame->tangents;
frame->tangents = newTangents;
Z_Free(oldTangents);
}*/
}
}
}
typedef struct materiallist_s
{
struct materiallist_s *next;
struct materiallist_s *prev;
material_t *material;
} materiallist_t;
static bool AddMaterialToList(materiallist_t **head, material_t *material)
{
materiallist_t *node;
for (node = *head; node; node = node->next)
{
if (node->material == material)
return false;
}
// Didn't find it, so add to the list
materiallist_t *newMatNode = (materiallist_t*)Z_Malloc(sizeof(materiallist_t), PU_CACHE, 0);
newMatNode->material = material;
ListAdd(newMatNode, (listitem_t**)head);
return true;
}
//
// Optimize
//
// Groups triangles from meshes in the model
// Only works for models with 1 frame
//
void Optimize(model_t *model)
{
if (model->numMeshes <= 1)
return; // No need
int numMeshes = 0;
int i;
materiallist_t *matListHead = NULL;
for (i = 0; i < model->numMeshes; i++)
{
mesh_t *curMesh = &model->meshes[i];
if (curMesh->numFrames > 1)
return; // Can't optimize models with > 1 frame
if (!curMesh->frames)
return; // Don't optimize tinyframe models (no need)
// We are condensing to 1 mesh per material, so
// the # of materials we use will be the new
// # of meshes
if (AddMaterialToList(&matListHead, curMesh->frames[0].material))
numMeshes++;
}
int memTag = PU_STATIC;
mesh_t *newMeshes = (mesh_t*)Z_Calloc(sizeof(mesh_t) * numMeshes, memTag, 0);
i = 0;
materiallist_t *node;
for (node = matListHead; node; node = node->next)
{
material_t *curMat = node->material;
mesh_t *newMesh = &newMeshes[i];
// Find all triangles with this material and count them
int numTriangles = 0;
int j;
for (j = 0; j < model->numMeshes; j++)
{
mesh_t *curMesh = &model->meshes[j];
if (curMesh->frames[0].material == curMat)
numTriangles += curMesh->numTriangles;
}
newMesh->numFrames = 1;
newMesh->numTriangles = numTriangles;
newMesh->numVertices = numTriangles * 3;
newMesh->uvs = (float*)Z_Malloc(sizeof(float)*2*numTriangles*3, memTag, 0);
// if (node->material->lightmap)
// newMesh->lightuvs = (float*)Z_Malloc(sizeof(float)*2*numTriangles*3, memTag, 0);
newMesh->frames = (mdlframe_t*)Z_Calloc(sizeof(mdlframe_t), memTag, 0);
mdlframe_t *curFrame = &newMesh->frames[0];
curFrame->material = curMat;
curFrame->normals = (float*)Z_Malloc(sizeof(float)*3*numTriangles*3, memTag, 0);
// if (!systemSucks)
// curFrame->tangents = (float*)Z_Malloc(sizeof(float)*3*numTriangles*3, memTag, 0);
curFrame->vertices = (float*)Z_Malloc(sizeof(float)*3*numTriangles*3, memTag, 0);
curFrame->colors = (byte*)Z_Malloc(sizeof(byte)*4*numTriangles*3, memTag, 0);
// Now traverse the meshes of the model, adding in
// vertices/normals/uvs that match the current material
int uvCount = 0;
int vertCount = 0;
int colorCount = 0;
for (j = 0; j < model->numMeshes; j++)
{
mesh_t *curMesh = &model->meshes[j];
if (curMesh->frames[0].material == curMat)
{
float *dest;
float *src;
M_Memcpy(&newMesh->uvs[uvCount],
curMesh->uvs,
sizeof(float)*2*curMesh->numTriangles*3);
/* if (node->material->lightmap)
{
M_Memcpy(&newMesh->lightuvs[uvCount],
curMesh->lightuvs,
sizeof(float)*2*curMesh->numTriangles*3);
}*/
uvCount += 2*curMesh->numTriangles*3;
dest = (float*)newMesh->frames[0].vertices;
src = (float*)curMesh->frames[0].vertices;
M_Memcpy(&dest[vertCount],
src,
sizeof(float)*3*curMesh->numTriangles*3);
dest = (float*)newMesh->frames[0].normals;
src = (float*)curMesh->frames[0].normals;
M_Memcpy(&dest[vertCount],
src,
sizeof(float)*3*curMesh->numTriangles*3);
/* if (!systemSucks)
{
dest = (float*)newMesh->frames[0].tangents;
src = (float*)curMesh->frames[0].tangents;
M_Memcpy(&dest[vertCount],
src,
sizeof(float)*3*curMesh->numTriangles*3);
}*/
vertCount += 3 * curMesh->numTriangles * 3;
byte *destByte;
byte *srcByte;
destByte = (byte*)newMesh->frames[0].colors;
srcByte = (byte*)curMesh->frames[0].colors;
if (srcByte)
{
M_Memcpy(&destByte[colorCount],
srcByte,
sizeof(byte)*4*curMesh->numTriangles*3);
}
else
{
memset(&destByte[colorCount],
255,
sizeof(byte)*4*curMesh->numTriangles*3);
}
colorCount += 4 * curMesh->numTriangles * 3;
}
}
i++;
}
CONS_Printf("Model::Optimize(): Model reduced from %d to %d meshes.\n", model->numMeshes, numMeshes);
model->meshes = newMeshes;
model->numMeshes = numMeshes;
}
void GeneratePolygonNormals(model_t *model, int ztag)
{
int i;
for (i = 0; i < model->numMeshes; i++)
{
mesh_t *mesh = &model->meshes[i];
if (!mesh->frames)
continue;
int j;
for (j = 0; j < mesh->numFrames; j++)
{
mdlframe_t *frame = &mesh->frames[j];
frame->polyNormals = (vector_t*)Z_Malloc(sizeof(vector_t) * mesh->numTriangles, ztag, 0);
const float *vertices = frame->vertices;
vector_t *polyNormals = frame->polyNormals;
int k;
for (k = 0; k < mesh->numTriangles; k++)
{
// Vector::Normal(vertices, polyNormals);
vertices += 3 * 3;
polyNormals++;
}
}
}
}
//
// Reload
//
// Reload VBOs
//
void Reload(void)
{
/* model_t *node;
for (node = modelHead; node; node = node->next)
{
int i;
for (i = 0; i < node->numMeshes; i++)
{
mesh_t *mesh = &node->meshes[i];
if (mesh->frames)
{
int j;
for (j = 0; j < mesh->numFrames; j++)
CreateVBO(mesh, &mesh->frames[j]);
}
else if (mesh->tinyframes)
{
int j;
for (j = 0; j < mesh->numFrames; j++)
CreateVBO(mesh, &mesh->tinyframes[j]);
}
}
}*/
}
void DeleteVBOs(model_t *model)
{
/* for (int i = 0; i < model->numMeshes; i++)
{
mesh_t *mesh = &model->meshes[i];
if (mesh->frames)
{
for (int j = 0; j < mesh->numFrames; j++)
{
mdlframe_t *frame = &mesh->frames[j];
if (!frame->vboID)
continue;
bglDeleteBuffers(1, &frame->vboID);
frame->vboID = 0;
}
}
else if (mesh->tinyframes)
{
for (int j = 0; j < mesh->numFrames; j++)
{
tinyframe_t *frame = &mesh->tinyframes[j];
if (!frame->vboID)
continue;
bglDeleteBuffers(1, &frame->vboID);
frame->vboID = 0;
}
}
}*/
}

104
src/hardware/hw_model.h Normal file
View file

@ -0,0 +1,104 @@
/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#ifndef _HW_MODEL_H_
#define _HW_MODEL_H_
#include "../doomtype.h"
typedef struct
{
float x, y, z;
} vector_t;
extern vector_t vectorXaxis;
extern vector_t vectorYaxis;
extern vector_t vectorZaxis;
void VectorRotate(vector_t *rotVec, const vector_t *axisVec, float angle);
typedef struct
{
float ambient[4], diffuse[4], specular[4], emissive[4];
float shininess;
bool spheremap;
// Texture::texture_t *texture;
// Texture::texture_t *lightmap;
} material_t;
typedef struct
{
material_t *material; // Pointer to the allocated 'materials' list in model_t
float *vertices;
float *normals;
float *tangents;
byte *colors;
unsigned int vboID;
vector_t *polyNormals;
} mdlframe_t;
typedef struct
{
material_t *material;
short *vertices;
char *normals;
char *tangents;
unsigned int vboID;
} tinyframe_t;
// Equivalent to MD3's many 'surfaces'
typedef struct mesh_s
{
int numVertices;
int numTriangles;
float *uvs;
float *lightuvs;
int numFrames;
mdlframe_t *frames;
tinyframe_t *tinyframes;
unsigned short *indices;
} mesh_t;
typedef struct tag_s
{
char name[64];
// matrix_t transform;
} tag_t;
typedef struct model_s
{
int maxNumFrames;
int numMaterials;
material_t *materials;
int numMeshes;
mesh_t *meshes;
int numTags;
tag_t *tags;
char *mdlFilename;
boolean unloaded;
} model_t;
extern int numModels;
extern model_t *modelHead;
tag_t *GetTagByName(model_t *model, char *name, int frame);
model_t *LoadModel(const char *filename, int ztag);
void UnloadModel(model_t *model);
void Optimize(model_t *model);
void GenerateVertexNormals(model_t *model);
void GeneratePolygonNormals(model_t *model, int ztag);
void CreateVBOTiny(mesh_t *mesh, tinyframe_t *frame);
void CreateVBO(mesh_t *mesh, mdlframe_t *frame);
void DeleteVBOs(model_t *model);
#endif

162
src/hardware/r_opengl/r_opengl.c
View file

@ -245,6 +245,12 @@ FUNCPRINTF void DBG_Printf(const char *lpFmt, ...)
#define pglColor4f glColor4f #define pglColor4f glColor4f
#define pglColor4fv glColor4fv #define pglColor4fv glColor4fv
#define pglTexCoord2f glTexCoord2f #define pglTexCoord2f glTexCoord2f
#define pglVertexPointer glVertexPointer
#define pglNormalPointer glNormalPointer
#define pglTexCoordPointer glTexCoordPointer
#define pglDrawArrays glDrawArrays
#define pglEnableClientState glEnableClientState
#define pglDisableClientState pglDisableClientState
/* Lighting */ /* Lighting */
#define pglShadeModel glShadeModel #define pglShadeModel glShadeModel
@ -357,6 +363,18 @@ typedef void (APIENTRY * PFNglColor4fv) (const GLfloat *v);
static PFNglColor4fv pglColor4fv; static PFNglColor4fv pglColor4fv;
typedef void (APIENTRY * PFNglTexCoord2f) (GLfloat s, GLfloat t); typedef void (APIENTRY * PFNglTexCoord2f) (GLfloat s, GLfloat t);
static PFNglTexCoord2f pglTexCoord2f; static PFNglTexCoord2f pglTexCoord2f;
typedef void (APIENTRY * PFNglVertexPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
static PFNglVertexPointer pglVertexPointer;
typedef void (APIENTRY * PFNglNormalPointer) (GLenum type, GLsizei stride, const GLvoid *pointer);
static PFNglNormalPointer pglNormalPointer;
typedef void (APIENTRY * PFNglTexCoordPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
static PFNglTexCoordPointer pglTexCoordPointer;
typedef void (APIENTRY * PFNglDrawArrays) (GLenum mode, GLint first, GLsizei count);
static PFNglDrawArrays pglDrawArrays;
typedef void (APIENTRY * PFNglEnableClientState) (GLenum cap);
static PFNglEnableClientState pglEnableClientState;
typedef void (APIENTRY * PFNglDisableClientState) (GLenum cap);
static PFNglDisableClientState pglDisableClientState;
/* Lighting */ /* Lighting */
typedef void (APIENTRY * PFNglShadeModel) (GLenum mode); typedef void (APIENTRY * PFNglShadeModel) (GLenum mode);
@ -495,6 +513,12 @@ boolean SetupGLfunc(void)
GETOPENGLFUNC(pglColor4f , glColor4f) GETOPENGLFUNC(pglColor4f , glColor4f)
GETOPENGLFUNC(pglColor4fv , glColor4fv) GETOPENGLFUNC(pglColor4fv , glColor4fv)
GETOPENGLFUNC(pglTexCoord2f , glTexCoord2f) GETOPENGLFUNC(pglTexCoord2f , glTexCoord2f)
GETOPENGLFUNC(pglVertexPointer, glVertexPointer)
GETOPENGLFUNC(pglNormalPointer, glNormalPointer)
GETOPENGLFUNC(pglTexCoordPointer, glTexCoordPointer)
GETOPENGLFUNC(pglDrawArrays, glDrawArrays)
GETOPENGLFUNC(pglEnableClientState, glEnableClientState)
GETOPENGLFUNC(pglDisableClientState, glDisableClientState)
GETOPENGLFUNC(pglShadeModel , glShadeModel) GETOPENGLFUNC(pglShadeModel , glShadeModel)
GETOPENGLFUNC(pglLightfv, glLightfv) GETOPENGLFUNC(pglLightfv, glLightfv)
@ -1878,7 +1902,7 @@ EXPORT void HWRAPI(SetSpecialState) (hwdspecialstate_t IdState, INT32 Value)
} }
} }
static void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration, INT32 tics, md2_frame_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color) static void DrawModelEx(model_t *model, mdlframe_t *frame, INT32 duration, INT32 tics, mdlframe_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color)
{ {
INT32 val, count, pindex; INT32 val, count, pindex;
GLfloat s, t; GLfloat s, t;
@ -1886,6 +1910,7 @@ static void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration,
GLfloat diffuse[4]; GLfloat diffuse[4];
float pol = 0.0f; float pol = 0.0f;
scale *= 0.5f;
float scalex = scale, scaley = scale, scalez = scale; float scalex = scale, scaley = scale, scalez = scale;
// Because Otherwise, scaling the screen negatively vertically breaks the lighting // Because Otherwise, scaling the screen negatively vertically breaks the lighting
@ -1966,55 +1991,81 @@ static void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration,
pglRotatef(pos->anglex, -1.0f, 0.0f, 0.0f); pglRotatef(pos->anglex, -1.0f, 0.0f, 0.0f);
pglRotatef(pos->angley, 0.0f, -1.0f, 0.0f); pglRotatef(pos->angley, 0.0f, -1.0f, 0.0f);
val = *gl_cmd_buffer++; pglScalef(scalex, scaley, scalez);
while (val != 0) mesh_t *mesh = &model->meshes[0];
{
if (val < 0)
{
pglBegin(GL_TRIANGLE_FAN);
count = -val;
}
else
{
pglBegin(GL_TRIANGLE_STRIP);
count = val;
}
while (count--)
{
s = *(float *) gl_cmd_buffer++;
t = *(float *) gl_cmd_buffer++;
pindex = *gl_cmd_buffer++;
pglTexCoord2f(s, t);
if (!nextframe || pol == 0.0f) if (!nextframe || pol == 0.0f)
{ {
pglNormal3f(frame->vertices[pindex].normal[0], // Zoom! Take advantage of just shoving the entire arrays to the GPU.
frame->vertices[pindex].normal[1], pglEnableClientState(GL_VERTEX_ARRAY);
frame->vertices[pindex].normal[2]); pglEnableClientState(GL_TEXTURE_COORD_ARRAY);
pglEnableClientState(GL_NORMAL_ARRAY);
pglVertexPointer(3, GL_FLOAT, 0, frame->vertices);
pglNormalPointer(GL_FLOAT, 0, frame->normals);
pglTexCoordPointer(2, GL_FLOAT, 0, mesh->uvs);
pglDrawArrays(GL_TRIANGLES, 0, mesh->numTriangles * 3);
pglDisableClientState(GL_NORMAL_ARRAY);
pglDisableClientState(GL_TEXTURE_COORD_ARRAY);
pglDisableClientState(GL_TEXTURE_COORD_ARRAY);
/*
pglBegin(GL_TRIANGLES);
pglVertex3f(frame->vertices[pindex].vertex[0]*scalex/2.0f, int i = 0;
frame->vertices[pindex].vertex[1]*scaley/2.0f, float *uvPtr = mesh->uvs;
frame->vertices[pindex].vertex[2]*scalez/2.0f); float *frameVert = frame->vertices;
float *frameNormal = frame->normals;
for (i = 0; i < mesh->numTriangles; i++)
{
float uvx = *uvPtr++;
float uvy = *uvPtr++;
// Interpolate
float px1 = *frameVert++;
float py1 = *frameVert++;
float pz1 = *frameVert++;
float nx1 = *frameNormal++;
float ny1 = *frameNormal++;
float nz1 = *frameNormal++;
pglTexCoord2f(uvx, uvy);
pglNormal3f(nx1, ny1, nz1);
pglVertex3f(px1, py1, pz1);
}
pglEnd();*/
} }
else else
{ {
// Interpolate // Dangit, I soooo want to do this in a GLSL shader...
float px1 = frame->vertices[pindex].vertex[0]*scalex/2.0f; pglBegin(GL_TRIANGLES);
float px2 = nextframe->vertices[pindex].vertex[0]*scalex/2.0f;
float py1 = frame->vertices[pindex].vertex[1]*scaley/2.0f;
float py2 = nextframe->vertices[pindex].vertex[1]*scaley/2.0f;
float pz1 = frame->vertices[pindex].vertex[2]*scalez/2.0f;
float pz2 = nextframe->vertices[pindex].vertex[2]*scalez/2.0f;
float nx1 = frame->vertices[pindex].normal[0];
float nx2 = nextframe->vertices[pindex].normal[0];
float ny1 = frame->vertices[pindex].normal[1];
float ny2 = nextframe->vertices[pindex].normal[1];
float nz1 = frame->vertices[pindex].normal[2];
float nz2 = nextframe->vertices[pindex].normal[2];
int i = 0;
float *uvPtr = mesh->uvs;
float *frameVert = frame->vertices;
float *frameNormal = frame->normals;
float *nextFrameVert = nextframe->vertices;
float *nextFrameNormal = frame->normals;
for (i = 0; i < mesh->numTriangles; i++)
{
float uvx = *uvPtr++;
float uvy = *uvPtr++;
// Interpolate
float px1 = *frameVert++;
float px2 = *nextFrameVert++;
float py1 = *frameVert++;
float py2 = *nextFrameVert++;
float pz1 = *frameVert++;
float pz2 = *nextFrameVert++;
float nx1 = *frameNormal++;
float nx2 = *nextFrameNormal++;
float ny1 = *frameNormal++;
float ny2 = *nextFrameNormal++;
float nz1 = *frameNormal++;
float nz2 = *nextFrameNormal++;
pglTexCoord2f(uvx, uvy);
pglNormal3f((nx1 + pol * (nx2 - nx1)), pglNormal3f((nx1 + pol * (nx2 - nx1)),
(ny1 + pol * (ny2 - ny1)), (ny1 + pol * (ny2 - ny1)),
(nz1 + pol * (nz2 - nz1))); (nz1 + pol * (nz2 - nz1)));
@ -2022,12 +2073,25 @@ static void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration,
(py1 + pol * (py2 - py1)), (py1 + pol * (py2 - py1)),
(pz1 + pol * (pz2 - pz1))); (pz1 + pol * (pz2 - pz1)));
} }
}
pglEnd(); pglEnd();
val = *gl_cmd_buffer++;
} }
/* if (lightType != LIGHT_NONE)
{
glVertexAttribPointer(program->slots[Shaders::A_NORMAL_SLOT], 3, BGL_FLOAT, BGL_FALSE, 0, frame->normals);
// if (normalmapped)
// bglVertexAttribPointer(program->slots[Shaders::A_TANGENT_SLOT], 3, BGL_FLOAT, BGL_FALSE, 0, frame->tangents);
}
if (frame->colors)
glVertexAttribPointer(program->slots[Shaders::A_COLOR_SLOT], 4, GL_UNSIGNED_BYTE, BGL_TRUE, 0, frame->colors);
else
{
SetGlobalWhiteColorArray(mesh->numTriangles * 3);
glVertexAttribPointer(program->slots[Shaders::A_COLOR_SLOT], 3, BGL_UNSIGNED_BYTE, BGL_TRUE, 0, globalWhiteColorArray);
}
*/
pglPopMatrix(); // should be the same as glLoadIdentity pglPopMatrix(); // should be the same as glLoadIdentity
if (color) if (color)
pglDisable(GL_LIGHTING); pglDisable(GL_LIGHTING);
@ -2038,17 +2102,11 @@ static void DrawMD2Ex(INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration,
// -----------------+ // -----------------+
// HWRAPI DrawMD2 : Draw an MD2 model with glcommands // HWRAPI DrawMD2 : Draw an MD2 model with glcommands
// -----------------+ // -----------------+
EXPORT void HWRAPI(DrawMD2i) (INT32 *gl_cmd_buffer, md2_frame_t *frame, INT32 duration, INT32 tics, md2_frame_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color) EXPORT void HWRAPI(DrawModel) (model_t *model, mdlframe_t *frame, INT32 duration, INT32 tics, mdlframe_t *nextframe, FTransform *pos, float scale, UINT8 flipped, UINT8 *color)
{ {
DrawMD2Ex(gl_cmd_buffer, frame, duration, tics, nextframe, pos, scale, flipped, color); DrawModelEx(model, frame, duration, tics, nextframe, pos, scale, flipped, color);
} }
EXPORT void HWRAPI(DrawMD2) (INT32 *gl_cmd_buffer, md2_frame_t *frame, FTransform *pos, float scale)
{
DrawMD2Ex(gl_cmd_buffer, frame, 0, 0, NULL, pos, scale, false, NULL);
}
// -----------------+ // -----------------+
// SetTransform : // SetTransform :
// -----------------+ // -----------------+

230
src/hardware/u_list.c Normal file
View file

@ -0,0 +1,230 @@
/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#include "u_list.h"
#include "../z_zone.h"
// Utility for managing
// structures in a linked
// list.
//
// Struct must have "next" and "prev" pointers
// as its first two variables.
//
//
// ListAdd
//
// Adds an item to the list
//
void ListAdd(void *pItem, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
if (*itemHead == NULL)
{
*itemHead = item;
(*itemHead)->prev = (*itemHead)->next = NULL;
}
else
{
listitem_t *tail;
tail = *itemHead;
while (tail->next != NULL)
tail = tail->next;
tail->next = item;
tail->next->prev = tail;
item->next = NULL;
}
}
//
// ListAddFront
//
// Adds an item to the front of the list
// (This is much faster)
//
void ListAddFront(void *pItem, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
if (*itemHead == NULL)
{
*itemHead = item;
(*itemHead)->prev = (*itemHead)->next = NULL;
}
else
{
(*itemHead)->prev = item;
item->next = (*itemHead);
item->prev = NULL;
*itemHead = item;
}
}
//
// ListAddBefore
//
// Adds an item before the item specified in the list
//
void ListAddBefore(void *pItem, void *pSpot, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
listitem_t *spot = (listitem_t*)pSpot;
listitem_t *prev = spot->prev;
if (!prev)
ListAddFront(pItem, itemHead);
else
{
item->next = spot;
spot->prev = item;
item->prev = prev;
prev->next = item;
}
}
//
// ListAddAfter
//
// Adds an item after the item specified in the list
//
void ListAddAfter(void *pItem, void *pSpot, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
listitem_t *spot = (listitem_t*)pSpot;
listitem_t *next = spot->next;
if (!next)
ListAdd(pItem, itemHead);
else
{
item->prev = spot;
spot->next = item;
item->next = next;
next->prev = item;
}
}
//
// ListRemove
//
// Take an item out of the list and free its memory.
//
void ListRemove(void *pItem, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
if (item == *itemHead) // Start of list
{
*itemHead = item->next;
if (*itemHead)
(*itemHead)->prev = NULL;
}
else if (item->next == NULL) // end of list
{
item->prev->next = NULL;
}
else // Somewhere in between
{
item->prev->next = item->next;
item->next->prev = item->prev;
}
Z_Free (item);
}
//
// ListRemoveAll
//
// Removes all items from the list, freeing their memory.
//
void ListRemoveAll(listitem_t **itemHead)
{
listitem_t *item;
listitem_t *next;
for (item = *itemHead; item; item = next)
{
next = item->next;
ListRemove(item, itemHead);
}
}
//
// ListRemoveNoFree
//
// Take an item out of the list, but don't free its memory.
//
void ListRemoveNoFree(void *pItem, listitem_t **itemHead)
{
listitem_t *item = (listitem_t*)pItem;
if (item == *itemHead) // Start of list
{
*itemHead = item->next;
if (*itemHead)
(*itemHead)->prev = NULL;
}
else if (item->next == NULL) // end of list
{
item->prev->next = NULL;
}
else // Somewhere in between
{
item->prev->next = item->next;
item->next->prev = item->prev;
}
}
//
// ListGetCount
//
// Counts the # of items in a list
// Should not be used in performance-minded code
//
unsigned int ListGetCount(void *itemHead)
{
listitem_t *item = (listitem_t*)itemHead;
unsigned int count = 0;
for (; item; item = item->next)
count++;
return count;
}
//
// ListGetByIndex
//
// Gets an item in the list by its index
// Should not be used in performance-minded code
//
listitem_t *ListGetByIndex(void *itemHead, unsigned int index)
{
listitem_t *head = (listitem_t*)itemHead;
unsigned int count = 0;
listitem_t *node;
for (node = head; node; node = node->next)
{
if (count == index)
return node;
count++;
}
return NULL;
}

29
src/hardware/u_list.h Normal file
View file

@ -0,0 +1,29 @@
/*
From the 'Wizard2' engine by Spaddlewit Inc. ( http://www.spaddlewit.com )
An experimental work-in-progress.
Donated to Sonic Team Junior and adapted to work with
Sonic Robo Blast 2. The license of this code matches whatever
the licensing is for Sonic Robo Blast 2.
*/
#ifndef _U_LIST_H_
#define _U_LIST_H_
typedef struct listitem_s
{
struct listitem_s *next;
struct listitem_s *prev;
} listitem_t;
void ListAdd(void *pItem, listitem_t **itemHead);
void ListAddFront(void *pItem, listitem_t **itemHead);
void ListAddBefore(void *pItem, void *pSpot, listitem_t **itemHead);
void ListAddAfter(void *pItem, void *pSpot, listitem_t **itemHead);
void ListRemove(void *pItem, listitem_t **itemHead);
void ListRemoveAll(listitem_t **itemHead);
void ListRemoveNoFree(void *pItem, listitem_t **itemHead);
unsigned int ListGetCount(void *itemHead);
listitem_t *ListGetByIndex(void *itemHead, unsigned int index);
#endif

8
src/sdl/Srb2SDL-vc10.vcxproj
View file

@ -156,6 +156,10 @@
<ClInclude Include="..\hardware\hw_light.h" /> <ClInclude Include="..\hardware\hw_light.h" />
<ClInclude Include="..\hardware\hw_main.h" /> <ClInclude Include="..\hardware\hw_main.h" />
<ClInclude Include="..\hardware\hw_md2.h" /> <ClInclude Include="..\hardware\hw_md2.h" />
<ClInclude Include="..\hardware\hw_md2load.h" />
<ClInclude Include="..\hardware\hw_md3load.h" />
<ClInclude Include="..\hardware\hw_model.h" />
<ClInclude Include="..\hardware\u_list.h" />
<ClInclude Include="..\hu_stuff.h" /> <ClInclude Include="..\hu_stuff.h" />
<ClInclude Include="..\info.h" /> <ClInclude Include="..\info.h" />
<ClInclude Include="..\i_addrinfo.h" /> <ClInclude Include="..\i_addrinfo.h" />
@ -294,8 +298,12 @@
<ClCompile Include="..\hardware\hw_light.c" /> <ClCompile Include="..\hardware\hw_light.c" />
<ClCompile Include="..\hardware\hw_main.c" /> <ClCompile Include="..\hardware\hw_main.c" />
<ClCompile Include="..\hardware\hw_md2.c" /> <ClCompile Include="..\hardware\hw_md2.c" />
<ClCompile Include="..\hardware\hw_md2load.c" />
<ClCompile Include="..\hardware\hw_md3load.c" />
<ClCompile Include="..\hardware\hw_model.c" />
<ClCompile Include="..\hardware\hw_trick.c" /> <ClCompile Include="..\hardware\hw_trick.c" />
<ClCompile Include="..\hardware\r_opengl\r_opengl.c" /> <ClCompile Include="..\hardware\r_opengl\r_opengl.c" />
<ClCompile Include="..\hardware\u_list.c" />
<ClCompile Include="..\hu_stuff.c" /> <ClCompile Include="..\hu_stuff.c" />
<ClCompile Include="..\info.c" /> <ClCompile Include="..\info.c" />
<ClCompile Include="..\i_addrinfo.c"> <ClCompile Include="..\i_addrinfo.c">

24
src/sdl/Srb2SDL-vc10.vcxproj.filters
View file

@ -246,6 +246,18 @@
<ClInclude Include="..\hardware\hw_md2.h"> <ClInclude Include="..\hardware\hw_md2.h">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="..\hardware\hw_md2load.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_md3load.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_model.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\u_list.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\byteptr.h"> <ClInclude Include="..\byteptr.h">
<Filter>I_Interface</Filter> <Filter>I_Interface</Filter>
</ClInclude> </ClInclude>
@ -624,9 +636,21 @@
<ClCompile Include="..\hardware\hw_md2.c"> <ClCompile Include="..\hardware\hw_md2.c">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClCompile> </ClCompile>
<ClCompile Include="..\hardware\hw_md2load.c">
<Filter>Hw_Hardware</Filter>
</ClCompile>
<ClCompile Include="..\hardware\hw_md3load.c">
<Filter>Hw_Hardware</Filter>
</ClCompile>
<ClCompile Include="..\hardware\hw_model.c">
<Filter>Hw_Hardware</Filter>
</ClCompile>
<ClCompile Include="..\hardware\hw_trick.c"> <ClCompile Include="..\hardware\hw_trick.c">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClCompile> </ClCompile>
<ClCompile Include="..\hardware\u_list.c">
<Filter>Hw_Hardware</Filter>
</ClCompile>
<ClCompile Include="..\filesrch.c"> <ClCompile Include="..\filesrch.c">
<Filter>I_Interface</Filter> <Filter>I_Interface</Filter>
</ClCompile> </ClCompile>

3
src/sdl/hwsym_sdl.c
View file

@ -87,8 +87,7 @@ void *hwSym(const char *funcName,void *handle)
GETFUNC(ClearMipMapCache); GETFUNC(ClearMipMapCache);
GETFUNC(SetSpecialState); GETFUNC(SetSpecialState);
GETFUNC(GetTextureUsed); GETFUNC(GetTextureUsed);
GETFUNC(DrawMD2); GETFUNC(DrawModel);
GETFUNC(DrawMD2i);
GETFUNC(SetTransform); GETFUNC(SetTransform);
GETFUNC(GetRenderVersion); GETFUNC(GetRenderVersion);
#ifdef SHUFFLE #ifdef SHUFFLE

3
src/sdl/i_video.c
View file

@ -1546,8 +1546,7 @@ void I_StartupGraphics(void)
HWD.pfnSetSpecialState = hwSym("SetSpecialState",NULL); HWD.pfnSetSpecialState = hwSym("SetSpecialState",NULL);
HWD.pfnSetPalette = hwSym("SetPalette",NULL); HWD.pfnSetPalette = hwSym("SetPalette",NULL);
HWD.pfnGetTextureUsed = hwSym("GetTextureUsed",NULL); HWD.pfnGetTextureUsed = hwSym("GetTextureUsed",NULL);
HWD.pfnDrawMD2 = hwSym("DrawMD2",NULL); HWD.pfnDrawModel = hwSym("DrawModel",NULL);
HWD.pfnDrawMD2i = hwSym("DrawMD2i",NULL);
HWD.pfnSetTransform = hwSym("SetTransform",NULL); HWD.pfnSetTransform = hwSym("SetTransform",NULL);
HWD.pfnGetRenderVersion = hwSym("GetRenderVersion",NULL); HWD.pfnGetRenderVersion = hwSym("GetRenderVersion",NULL);
#ifdef SHUFFLE #ifdef SHUFFLE

8
src/win32/Srb2win-vc10.vcxproj
View file

@ -124,7 +124,11 @@
<ClCompile Include="..\hardware\hw_light.c" /> <ClCompile Include="..\hardware\hw_light.c" />
<ClCompile Include="..\hardware\hw_main.c" /> <ClCompile Include="..\hardware\hw_main.c" />
<ClCompile Include="..\hardware\hw_md2.c" /> <ClCompile Include="..\hardware\hw_md2.c" />
<ClCompile Include="..\hardware\hw_md2load.c" />
<ClCompile Include="..\hardware\hw_md3load.c" />
<ClCompile Include="..\hardware\hw_model.c" />
<ClCompile Include="..\hardware\hw_trick.c" /> <ClCompile Include="..\hardware\hw_trick.c" />
<ClCompile Include="..\hardware\u_list.c" />
<ClCompile Include="..\hu_stuff.c" /> <ClCompile Include="..\hu_stuff.c" />
<ClCompile Include="..\info.c" /> <ClCompile Include="..\info.c" />
<ClCompile Include="..\i_addrinfo.c"> <ClCompile Include="..\i_addrinfo.c">
@ -287,6 +291,10 @@
<ClInclude Include="..\hardware\hw_light.h" /> <ClInclude Include="..\hardware\hw_light.h" />
<ClInclude Include="..\hardware\hw_main.h" /> <ClInclude Include="..\hardware\hw_main.h" />
<ClInclude Include="..\hardware\hw_md2.h" /> <ClInclude Include="..\hardware\hw_md2.h" />
<ClInclude Include="..\hardware\hw_md2load.h" />
<ClInclude Include="..\hardware\hw_md3load.h" />
<ClInclude Include="..\hardware\hw_model.h" />
<ClInclude Include="..\hardware\u_list.h" />
<ClInclude Include="..\hu_stuff.h" /> <ClInclude Include="..\hu_stuff.h" />
<ClInclude Include="..\info.h" /> <ClInclude Include="..\info.h" />
<ClInclude Include="..\i_addrinfo.h" /> <ClInclude Include="..\i_addrinfo.h" />

24
src/win32/Srb2win-vc10.vcxproj.filters
View file

@ -108,9 +108,21 @@
<ClCompile Include="..\hardware\hw_md2.c"> <ClCompile Include="..\hardware\hw_md2.c">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClCompile> </ClCompile>
<ClInclude Include="..\hardware\hw_md2load.c">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_md3load.c">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_model.c">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClCompile Include="..\hardware\hw_trick.c"> <ClCompile Include="..\hardware\hw_trick.c">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClCompile> </ClCompile>
<ClInclude Include="..\hardware\u_list.c">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClCompile Include="..\hardware\hw3sound.c"> <ClCompile Include="..\hardware\hw3sound.c">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClCompile> </ClCompile>
@ -506,6 +518,15 @@
<ClInclude Include="..\hardware\hw_md2.h"> <ClInclude Include="..\hardware\hw_md2.h">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="..\hardware\hw_md2load.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_md3load.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw_model.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\hardware\hw3dsdrv.h"> <ClInclude Include="..\hardware\hw3dsdrv.h">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClInclude> </ClInclude>
@ -515,6 +536,9 @@
<ClInclude Include="..\hardware\hws_data.h"> <ClInclude Include="..\hardware\hws_data.h">
<Filter>Hw_Hardware</Filter> <Filter>Hw_Hardware</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="..\hardware\u_list.h">
<Filter>Hw_Hardware</Filter>
</ClInclude>
<ClInclude Include="..\blua\lapi.h"> <ClInclude Include="..\blua\lapi.h">
<Filter>BLUA</Filter> <Filter>BLUA</Filter>
</ClInclude> </ClInclude>

6
src/win32/win_dll.c
View file

@ -109,8 +109,7 @@ static loadfunc_t hwdFuncTable[] = {
{"GClipRect@20", &hwdriver.pfnGClipRect}, {"GClipRect@20", &hwdriver.pfnGClipRect},
{"ClearMipMapCache@0", &hwdriver.pfnClearMipMapCache}, {"ClearMipMapCache@0", &hwdriver.pfnClearMipMapCache},
{"SetSpecialState@8", &hwdriver.pfnSetSpecialState}, {"SetSpecialState@8", &hwdriver.pfnSetSpecialState},
{"DrawMD2@16", &hwdriver.pfnDrawMD2}, {"DrawModel@16", &hwdriver.pfnDrawModel},
{"DrawMD2i@36", &hwdriver.pfnDrawMD2i},
{"SetTransform@4", &hwdriver.pfnSetTransform}, {"SetTransform@4", &hwdriver.pfnSetTransform},
{"GetTextureUsed@0", &hwdriver.pfnGetTextureUsed}, {"GetTextureUsed@0", &hwdriver.pfnGetTextureUsed},
{"GetRenderVersion@0", &hwdriver.pfnGetRenderVersion}, {"GetRenderVersion@0", &hwdriver.pfnGetRenderVersion},
@ -140,8 +139,7 @@ static loadfunc_t hwdFuncTable[] = {
{"GClipRect", &hwdriver.pfnGClipRect}, {"GClipRect", &hwdriver.pfnGClipRect},
{"ClearMipMapCache", &hwdriver.pfnClearMipMapCache}, {"ClearMipMapCache", &hwdriver.pfnClearMipMapCache},
{"SetSpecialState", &hwdriver.pfnSetSpecialState}, {"SetSpecialState", &hwdriver.pfnSetSpecialState},
{"DrawMD2", &hwdriver.pfnDrawMD2}, {"DrawModel", &hwdriver.pfnDrawModel},
{"DrawMD2i", &hwdriver.pfnDrawMD2i},
{"SetTransform", &hwdriver.pfnSetTransform}, {"SetTransform", &hwdriver.pfnSetTransform},
{"GetTextureUsed", &hwdriver.pfnGetTextureUsed}, {"GetTextureUsed", &hwdriver.pfnGetTextureUsed},
{"GetRenderVersion", &hwdriver.pfnGetRenderVersion}, {"GetRenderVersion", &hwdriver.pfnGetRenderVersion},