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Extend extracolormap alpha range

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This commit is contained in:
Lactozilla 2023-08-04 05:00:46 -03:00
parent b670f97ed1
commit ec8757d716
6 changed files with 38 additions and 52 deletions
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3
src/hardware/hw_defs.h
View file

@ -276,9 +276,6 @@ struct FSurfaceInfo
};
typedef struct FSurfaceInfo FSurfaceInfo;
#define GL_DEFAULTMIX 0x00000000
#define GL_DEFAULTFOG 0xFF000000
//Hurdler: added for backward compatibility
enum hwdsetspecialstate
{

8
src/hardware/hw_main.c
View file

@ -186,8 +186,8 @@ void HWR_Lighting(FSurfaceInfo *Surface, INT32 light_level, extracolormap_t *col
RGBA_t poly_color, tint_color, fade_color;
poly_color.rgba = 0xFFFFFFFF;
tint_color.rgba = (colormap != NULL) ? (UINT32)colormap->rgba : GL_DEFAULTMIX;
fade_color.rgba = (colormap != NULL) ? (UINT32)colormap->fadergba : GL_DEFAULTFOG;
tint_color.rgba = (colormap != NULL) ? (UINT32)colormap->rgba : 0x00000000;
fade_color.rgba = (colormap != NULL) ? (UINT32)colormap->fadergba : 0xFF000000;
// Crappy backup coloring if you can't do shaders
if (!HWR_UseShader())
@ -201,7 +201,7 @@ void HWR_Lighting(FSurfaceInfo *Surface, INT32 light_level, extracolormap_t *col
blue = (float)poly_color.s.blue;
// 48 is just an arbritrary value that looked relatively okay.
tint_alpha = (float)(sqrt(tint_color.s.alpha) * 48) / 255.0f;
tint_alpha = (float)(sqrt((float)tint_color.s.alpha / 10.2) * 48) / 255.0f;
// 8 is roughly the brightness of the "close" color in Software, and 16 the brightness of the "far" color.
// 8 is too bright for dark levels, and 16 is too dark for bright levels.
@ -242,7 +242,7 @@ UINT8 HWR_FogBlockAlpha(INT32 light, extracolormap_t *colormap) // Let's see if
RGBA_t realcolor, surfcolor;
INT32 alpha;
realcolor.rgba = (colormap != NULL) ? colormap->rgba : GL_DEFAULTMIX;
realcolor.rgba = (colormap != NULL) ? colormap->rgba : 0x00000000;
if (cv_glshaders.value && gl_shadersavailable)
{

3
src/hardware/hw_md2.c
View file

@ -1140,9 +1140,6 @@ static void HWR_GetBlendedTexture(patch_t *patch, patch_t *blendpatch, INT32 ski
Z_ChangeTag(newMipmap->data, PU_HWRMODELTEXTURE_UNLOCKED);
}
#define NORMALFOG 0x00000000
#define FADEFOG 0x19000000
static boolean HWR_AllowModel(mobj_t *mobj)
{
// Signpost overlay. Not needed.

2
src/hardware/r_opengl/r_opengl.c
View file

@ -697,7 +697,7 @@ static GLRGBAFloat shader_defaultcolor = {1.0f, 1.0f, 1.0f, 1.0f};
#define GLSL_SOFTWARE_TINT_EQUATION \
"if (tint_color.a > 0.0) {\n" \
"float color_bright = sqrt((base_color.r * base_color.r) + (base_color.g * base_color.g) + (base_color.b * base_color.b));\n" \
"float strength = sqrt(9.0 * tint_color.a);\n" \
"float strength = sqrt(tint_color.a);\n" \
"final_color.r = clamp((color_bright * (tint_color.r * strength)) + (base_color.r * (1.0 - strength)), 0.0, 1.0);\n" \
"final_color.g = clamp((color_bright * (tint_color.g * strength)) + (base_color.g * (1.0 - strength)), 0.0, 1.0);\n" \
"final_color.b = clamp((color_bright * (tint_color.b * strength)) + (base_color.b * (1.0 - strength)), 0.0, 1.0);\n" \

20
src/lua_colorlib.c
View file

@ -155,10 +155,6 @@ static const char *const extracolormap_opt[] = {
"colormap",
NULL};
#define ALPHA_SCALE_FACTOR 102 // (255 / 25) * 10
#define SCALE_ALPHA_UP(alpha) (((alpha) * ALPHA_SCALE_FACTOR) / 10)
#define SCALE_ALPHA_DOWN(alpha) (((alpha) * 10) / ALPHA_SCALE_FACTOR)
static int extracolormap_get(lua_State *L)
{
extracolormap_t *exc = *((extracolormap_t **)luaL_checkudata(L, 1, META_EXTRACOLORMAP));
@ -176,13 +172,13 @@ static int extracolormap_get(lua_State *L)
lua_pushinteger(L, R_GetRgbaB(exc->rgba));
break;
case extracolormap_a:
lua_pushinteger(L, SCALE_ALPHA_UP(R_GetRgbaA(exc->rgba)));
lua_pushinteger(L, R_GetRgbaA(exc->rgba));
break;
case extracolormap_rgba:
lua_pushinteger(L, R_GetRgbaR(exc->rgba));
lua_pushinteger(L, R_GetRgbaG(exc->rgba));
lua_pushinteger(L, R_GetRgbaB(exc->rgba));
lua_pushinteger(L, SCALE_ALPHA_UP(R_GetRgbaA(exc->rgba)));
lua_pushinteger(L, R_GetRgbaA(exc->rgba));
return 4;
case extracolormap_fade_r:
lua_pushinteger(L, R_GetRgbaR(exc->fadergba));
@ -194,13 +190,13 @@ static int extracolormap_get(lua_State *L)
lua_pushinteger(L, R_GetRgbaB(exc->fadergba));
break;
case extracolormap_fade_a:
lua_pushinteger(L, SCALE_ALPHA_UP(R_GetRgbaA(exc->fadergba)));
lua_pushinteger(L, R_GetRgbaA(exc->fadergba));
break;
case extracolormap_fade_rgba:
lua_pushinteger(L, R_GetRgbaR(exc->fadergba));
lua_pushinteger(L, R_GetRgbaG(exc->fadergba));
lua_pushinteger(L, R_GetRgbaB(exc->fadergba));
lua_pushinteger(L, SCALE_ALPHA_UP(R_GetRgbaA(exc->fadergba)));
lua_pushinteger(L, R_GetRgbaA(exc->fadergba));
return 4;
case extracolormap_fade_start:
lua_pushinteger(L, exc->fadestart);
@ -217,8 +213,6 @@ static int extracolormap_get(lua_State *L)
static void GetExtraColormapRGBA(lua_State *L, UINT8 *rgba)
{
rgba[3] = SCALE_ALPHA_UP(rgba[3]);
if (lua_type(L, 3) == LUA_TSTRING)
{
const char *str = lua_tostring(L, 3);
@ -228,8 +222,6 @@ static void GetExtraColormapRGBA(lua_State *L, UINT8 *rgba)
}
else
GetRGBAColorsFromTable(L, 3, rgba, true);
rgba[3] = SCALE_ALPHA_DOWN(rgba[3]);
}
static int extracolormap_set(lua_State *L)
@ -266,7 +258,7 @@ static int extracolormap_set(lua_State *L)
exc->rgba = R_PutRgbaRGBA(r, g, val, a);
break;
case extracolormap_a:
exc->rgba = R_PutRgbaRGBA(r, g, b, SCALE_ALPHA_DOWN(val));
exc->rgba = R_PutRgbaRGBA(r, g, b, val);
break;
case extracolormap_rgba:
rgba[0] = r;
@ -286,7 +278,7 @@ static int extracolormap_set(lua_State *L)
exc->fadergba = R_PutRgbaRGBA(fr, fg, val, fa);
break;
case extracolormap_fade_a:
exc->fadergba = R_PutRgbaRGBA(fr, fg, fb, SCALE_ALPHA_DOWN(val));
exc->fadergba = R_PutRgbaRGBA(fr, fg, fb, val);
break;
case extracolormap_fade_rgba:
rgba[0] = fr;

54
src/r_data.c
View file

@ -438,7 +438,7 @@ extracolormap_t *R_CreateDefaultColormap(boolean lighttable)
exc->fadeend = 31;
exc->flags = 0;
exc->rgba = 0;
exc->fadergba = 0x19000000;
exc->fadergba = 0xFF000000;
exc->colormap = lighttable ? R_CreateLightTable(exc) : NULL;
#ifdef EXTRACOLORMAPLUMPS
exc->lump = LUMPERROR;
@ -553,7 +553,7 @@ boolean R_CheckDefaultColormapByValues(boolean checkrgba, boolean checkfadergba,
&& !flags)
)
&& (!checkrgba ? true : rgba == 0)
&& (!checkfadergba ? true : fadergba == 0x19000000)
&& (!checkfadergba ? true : (unsigned)fadergba == 0xFF000000)
#ifdef EXTRACOLORMAPLUMPS
&& lump == LUMPERROR
&& extra_colormap->lumpname[0] == 0
@ -654,7 +654,7 @@ extracolormap_t *R_ColormapForName(char *name)
if (lump == LUMPERROR)
I_Error("R_ColormapForName: Cannot find colormap lump %.8s\n", name);
exc = R_GetColormapFromListByValues(0, 0x19000000, 0, 31, 0, lump);
exc = R_GetColormapFromListByValues(0, 0xFF000000, 0, 31, 0, lump);
if (exc)
return exc;
@ -674,7 +674,7 @@ extracolormap_t *R_ColormapForName(char *name)
exc->fadeend = 31;
exc->flags = 0;
exc->rgba = 0;
exc->fadergba = 0x19000000;
exc->fadergba = 0xFF000000;
R_AddColormapToList(exc);
@ -737,7 +737,7 @@ void R_GenerateLightTable(extracolormap_t *extra_colormap, boolean uselookup)
cmaskg = cg;
cmaskb = cb;
maskamt = (double)(ca/24.0l);
maskamt = (double)(ca/255.0l);
othermask = 1 - maskamt;
maskamt /= 0xff;
@ -753,7 +753,7 @@ void R_GenerateLightTable(extracolormap_t *extra_colormap, boolean uselookup)
cdestb = cfb;
// fade alpha unused in software
// maskamt = (double)(cfa/24.0l);
// maskamt = (double)(cfa/255.0l);
// othermask = 1 - maskamt;
// maskamt /= 0xff;
@ -851,7 +851,7 @@ extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
UINT8 cr = 0, cg = 0, cb = 0, ca = 0, cfr = 0, cfg = 0, cfb = 0, cfa = 25;
UINT32 fadestart = 0, fadeend = 31;
UINT8 flags = 0;
INT32 rgba = 0, fadergba = 0x19000000;
INT32 rgba = 0, fadergba = 0xFF000000;
#define HEX2INT(x) (UINT32)(x >= '0' && x <= '9' ? x - '0' : x >= 'a' && x <= 'f' ? x - 'a' + 10 : x >= 'A' && x <= 'F' ? x - 'A' + 10 : 0)
#define ALPHA2INT(x) (x >= 'a' && x <= 'z' ? x - 'a' : x >= 'A' && x <= 'Z' ? x - 'A' : x >= '0' && x <= '9' ? 25 : 0)
@ -859,13 +859,13 @@ extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
// Get base colormap value
// First alpha-only, then full value
if (p1[0] >= 'a' && p1[0] <= 'z' && !p1[1])
ca = (p1[0] - 'a');
ca = ((p1[0] - 'a') * 102) / 10;
else if (p1[0] == '#' && p1[1] >= 'a' && p1[1] <= 'z' && !p1[2])
ca = (p1[1] - 'a');
ca = ((p1[1] - 'a') * 102) / 10;
else if (p1[0] >= 'A' && p1[0] <= 'Z' && !p1[1])
ca = (p1[0] - 'A');
ca = ((p1[0] - 'A') * 102) / 10;
else if (p1[0] == '#' && p1[1] >= 'A' && p1[1] <= 'Z' && !p1[2])
ca = (p1[1] - 'A');
ca = ((p1[1] - 'A') * 102) / 10;
else if (p1[0] == '#')
{
// For each subsequent value, the value before it must exist
@ -881,20 +881,20 @@ extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
cb = ((HEX2INT(p1[5]) * 16) + HEX2INT(p1[6]));
if (p1[7] >= 'a' && p1[7] <= 'z')
ca = (p1[7] - 'a');
ca = ((p1[7] - 'a') * 102) / 10;
else if (p1[7] >= 'A' && p1[7] <= 'Z')
ca = (p1[7] - 'A');
ca = ((p1[7] - 'A') * 102) / 10;
else
ca = 25;
ca = 255;
}
else
ca = 25;
ca = 255;
}
else
ca = 25;
ca = 255;
}
else
ca = 25;
ca = 255;
}
#define NUMFROMCHAR(c) (c >= '0' && c <= '9' ? c - '0' : 0)
@ -924,13 +924,13 @@ extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
// Get fade (dark) colormap value
// First alpha-only, then full value
if (p3[0] >= 'a' && p3[0] <= 'z' && !p3[1])
cfa = (p3[0] - 'a');
cfa = ((p3[0] - 'a') * 102) / 10;
else if (p3[0] == '#' && p3[1] >= 'a' && p3[1] <= 'z' && !p3[2])
cfa = (p3[1] - 'a');
cfa = ((p3[1] - 'a') * 102) / 10;
else if (p3[0] >= 'A' && p3[0] <= 'Z' && !p3[1])
cfa = (p3[0] - 'A');
cfa = ((p3[0] - 'A') * 102) / 10;
else if (p3[0] == '#' && p3[1] >= 'A' && p3[1] <= 'Z' && !p3[2])
cfa = (p3[1] - 'A');
cfa = ((p3[1] - 'A') * 102) / 10;
else if (p3[0] == '#')
{
// For each subsequent value, the value before it must exist
@ -946,20 +946,20 @@ extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
cfb = ((HEX2INT(p3[5]) * 16) + HEX2INT(p3[6]));
if (p3[7] >= 'a' && p3[7] <= 'z')
cfa = (p3[7] - 'a');
cfa = ((p3[7] - 'a') * 102) / 10;
else if (p3[7] >= 'A' && p3[7] <= 'Z')
cfa = (p3[7] - 'A');
cfa = ((p3[7] - 'A') * 102) / 10;
else
cfa = 25;
cfa = 255;
}
else
cfa = 25;
cfa = 255;
}
else
cfa = 25;
cfa = 255;
}
else
cfa = 25;
cfa = 255;
}
#undef ALPHA2INT
#undef HEX2INT