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https://git.do.srb2.org/STJr/SRB2.git
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Refactor R_LoadTextures into something manageable (no goto!!)
This commit is contained in:
James R
parent
223edd8ee0
commit
0d6b6efe0f
1 changed files with 256 additions and 240 deletions
496
src/r_data.c
496
src/r_data.c
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@ -699,254 +699,29 @@ void R_FlushTextureCache(void)
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int R_CountTexturesInTEXTURESLump(UINT16 wadNum, UINT16 lumpNum);
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int R_CountTexturesInTEXTURESLump(UINT16 wadNum, UINT16 lumpNum);
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void R_ParseTEXTURESLump(UINT16 wadNum, UINT16 lumpNum, INT32 *index);
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void R_ParseTEXTURESLump(UINT16 wadNum, UINT16 lumpNum, INT32 *index);
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//
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#ifdef WALLFLATS
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// R_LoadTextures
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static INT32
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// Initializes the texture list with the textures from the world map.
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Rloadflats (INT32 i, INT32 w)
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//
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#define TX_START "TX_START"
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#define TX_END "TX_END"
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void R_LoadTextures(void)
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{
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{
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INT32 i, w;
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UINT16 j;
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UINT16 j;
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UINT16 texstart, texend, texturesLumpPos;
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UINT16 texstart, texend;
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patch_t *patchlump;
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texpatch_t *patch;
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texture_t *texture;
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texture_t *texture;
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texpatch_t *patch;
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// Free previous memory before numtextures change.
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// Yes
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if (numtextures)
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if (wadfiles[w]->type == RET_PK3)
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{
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{
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for (i = 0; i < numtextures; i++)
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texstart = W_CheckNumForFolderStartPK3("flats/", (UINT16)w, 0);
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{
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texend = W_CheckNumForFolderEndPK3("flats/", (UINT16)w, texstart);
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Z_Free(textures[i]);
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}
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Z_Free(texturecache[i]);
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else
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}
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{
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Z_Free(texturetranslation);
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texstart = W_CheckNumForNamePwad("F_START", (UINT16)w, 0);
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Z_Free(textures);
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texend = W_CheckNumForNamePwad("F_END", (UINT16)w, texstart);
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Z_Free(texflats);
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}
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}
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// Load patches and textures.
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if (!( texstart == INT16_MAX || texend == INT16_MAX ))
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// Get the number of textures to check.
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// NOTE: Make SURE the system does not process
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// the markers.
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// This system will allocate memory for all duplicate/patched textures even if it never uses them,
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// but the alternative is to spend a ton of time checking and re-checking all previous entries just to skip any potentially patched textures.
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for (w = 0, numtextures = 0; w < numwadfiles; w++)
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{
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{
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// Count the textures from TEXTURES lumps
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
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while (texturesLumpPos != INT16_MAX)
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{
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numtextures += R_CountTexturesInTEXTURESLump((UINT16)w, (UINT16)texturesLumpPos);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, texturesLumpPos + 1);
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}
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// Count single-patch textures
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if (wadfiles[w]->type == RET_PK3)
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{
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texstart = W_CheckNumForFolderStartPK3("textures/", (UINT16)w, 0);
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texend = W_CheckNumForFolderEndPK3("textures/", (UINT16)w, texstart);
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}
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else
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{
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texstart = W_CheckNumForNamePwad(TX_START, (UINT16)w, 0);
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texend = W_CheckNumForNamePwad(TX_END, (UINT16)w, 0);
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}
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if (texstart == INT16_MAX || texend == INT16_MAX)
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#ifdef WALLFLATS
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goto countflats;
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#else
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continue;
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#endif
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texstart++; // Do not count the first marker
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// PK3s have subfolders, so we can't just make a simple sum
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if (wadfiles[w]->type == RET_PK3)
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{
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for (j = texstart; j < texend; j++)
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{
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if (!W_IsLumpFolder((UINT16)w, j)) // Check if lump is a folder; if not, then count it
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numtextures++;
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}
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}
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else // Add all the textures between TX_START and TX_END
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{
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numtextures += (UINT32)(texend - texstart);
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}
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#ifdef WALLFLATS
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countflats:
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// Count flats
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if (wadfiles[w]->type == RET_PK3)
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{
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texstart = W_CheckNumForFolderStartPK3("flats/", (UINT16)w, 0);
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texend = W_CheckNumForFolderEndPK3("flats/", (UINT16)w, texstart);
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}
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else
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{
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texstart = W_CheckNumForNamePwad("F_START", (UINT16)w, 0);
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texend = W_CheckNumForNamePwad("F_END", (UINT16)w, texstart);
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}
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if (texstart == INT16_MAX || texend == INT16_MAX)
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continue;
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texstart++; // Do not count the first marker
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// PK3s have subfolders, so we can't just make a simple sum
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if (wadfiles[w]->type == RET_PK3)
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{
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for (j = texstart; j < texend; j++)
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{
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if (!W_IsLumpFolder((UINT16)w, j)) // Check if lump is a folder; if not, then count it
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numtextures++;
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}
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}
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else // Add all the textures between F_START and F_END
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{
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numtextures += (UINT32)(texend - texstart);
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}
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#endif
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}
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// If no textures found by this point, bomb out
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if (!numtextures)
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I_Error("No textures detected in any WADs!\n");
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// Allocate memory and initialize to 0 for all the textures we are initialising.
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// There are actually 5 buffers allocated in one for convenience.
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textures = Z_Calloc((numtextures * sizeof(void *)) * 5, PU_STATIC, NULL);
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texflats = Z_Calloc((numtextures * sizeof(*texflats)), PU_STATIC, NULL);
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// Allocate texture column offset table.
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texturecolumnofs = (void *)((UINT8 *)textures + (numtextures * sizeof(void *)));
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// Allocate texture referencing cache.
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texturecache = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 2));
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// Allocate texture width table.
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texturewidth = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 3));
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// Allocate texture height table.
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textureheight = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 4));
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// Create translation table for global animation.
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texturetranslation = Z_Malloc((numtextures + 1) * sizeof(*texturetranslation), PU_STATIC, NULL);
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for (i = 0; i < numtextures; i++)
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texturetranslation[i] = i;
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for (i = 0, w = 0; w < numwadfiles; w++)
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{
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// Get the lump numbers for the markers in the WAD, if they exist.
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if (wadfiles[w]->type == RET_PK3)
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{
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texstart = W_CheckNumForFolderStartPK3("textures/", (UINT16)w, 0);
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texend = W_CheckNumForFolderEndPK3("textures/", (UINT16)w, texstart);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
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while (texturesLumpPos != INT16_MAX)
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{
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R_ParseTEXTURESLump(w, texturesLumpPos, &i);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, texturesLumpPos + 1);
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}
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}
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else
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{
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texstart = W_CheckNumForNamePwad(TX_START, (UINT16)w, 0);
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texend = W_CheckNumForNamePwad(TX_END, (UINT16)w, 0);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
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if (texturesLumpPos != INT16_MAX)
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R_ParseTEXTURESLump(w, texturesLumpPos, &i);
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}
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if (texstart == INT16_MAX || texend == INT16_MAX)
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#ifdef WALLFLATS
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goto checkflats;
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#else
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continue;
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#endif
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texstart++; // Do not count the first marker
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// Work through each lump between the markers in the WAD.
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for (j = 0; j < (texend - texstart); j++)
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{
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UINT16 wadnum = (UINT16)w;
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lumpnum_t lumpnum = texstart + j;
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#ifndef NO_PNG_LUMPS
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size_t lumplength;
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#endif
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if (wadfiles[w]->type == RET_PK3)
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{
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if (W_IsLumpFolder(wadnum, lumpnum)) // Check if lump is a folder
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continue; // If it is then SKIP IT
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}
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patchlump = W_CacheLumpNumPwad(wadnum, lumpnum, PU_CACHE);
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#ifndef NO_PNG_LUMPS
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lumplength = W_LumpLengthPwad(wadnum, lumpnum);
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#endif
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//CONS_Printf("\n\"%s\" is a single patch, dimensions %d x %d",W_CheckNameForNumPwad((UINT16)w,texstart+j),patchlump->width, patchlump->height);
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texture = textures[i] = Z_Calloc(sizeof(texture_t) + sizeof(texpatch_t), PU_STATIC, NULL);
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// Set texture properties.
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M_Memcpy(texture->name, W_CheckNameForNumPwad(wadnum, lumpnum), sizeof(texture->name));
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#ifndef NO_PNG_LUMPS
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if (R_IsLumpPNG((UINT8 *)patchlump, lumplength))
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{
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INT16 width, height;
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R_PNGDimensions((UINT8 *)patchlump, &width, &height, lumplength);
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texture->width = width;
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texture->height = height;
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}
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else
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#endif
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{
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texture->width = SHORT(patchlump->width);
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texture->height = SHORT(patchlump->height);
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}
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texture->type = TEXTURETYPE_SINGLEPATCH;
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texture->patchcount = 1;
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texture->holes = false;
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texture->flip = 0;
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// Allocate information for the texture's patches.
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patch = &texture->patches[0];
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patch->originx = patch->originy = 0;
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patch->wad = (UINT16)w;
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patch->lump = texstart + j;
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patch->flip = 0;
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Z_Unlock(patchlump);
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texturewidth[i] = texture->width;
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textureheight[i] = texture->height << FRACBITS;
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i++;
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}
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#ifdef WALLFLATS
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checkflats:
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// Yes
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if (wadfiles[w]->type == RET_PK3)
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{
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texstart = W_CheckNumForFolderStartPK3("flats/", (UINT16)w, 0);
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texend = W_CheckNumForFolderEndPK3("flats/", (UINT16)w, texstart);
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}
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else
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{
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texstart = W_CheckNumForNamePwad("F_START", (UINT16)w, 0);
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texend = W_CheckNumForNamePwad("F_END", (UINT16)w, texstart);
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}
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if (texstart == INT16_MAX || texend == INT16_MAX)
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continue;
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texstart++; // Do not count the first marker
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texstart++; // Do not count the first marker
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// Work through each lump between the markers in the WAD.
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// Work through each lump between the markers in the WAD.
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@ -1029,6 +804,247 @@ checkflats:
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textureheight[i] = texture->height << FRACBITS;
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textureheight[i] = texture->height << FRACBITS;
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i++;
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i++;
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}
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}
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}
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return i;
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}
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#endif/*WALLFLATS*/
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#define TX_START "TX_START"
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#define TX_END "TX_END"
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static INT32
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Rloadtextures (INT32 i, INT32 w)
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{
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UINT16 j;
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UINT16 texstart, texend, texturesLumpPos;
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texture_t *texture;
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patch_t *patchlump;
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texpatch_t *patch;
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// Get the lump numbers for the markers in the WAD, if they exist.
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if (wadfiles[w]->type == RET_PK3)
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{
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texstart = W_CheckNumForFolderStartPK3("textures/", (UINT16)w, 0);
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texend = W_CheckNumForFolderEndPK3("textures/", (UINT16)w, texstart);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
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while (texturesLumpPos != INT16_MAX)
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{
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R_ParseTEXTURESLump(w, texturesLumpPos, &i);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, texturesLumpPos + 1);
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}
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}
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else
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{
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texstart = W_CheckNumForNamePwad(TX_START, (UINT16)w, 0);
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texend = W_CheckNumForNamePwad(TX_END, (UINT16)w, 0);
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texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
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if (texturesLumpPos != INT16_MAX)
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R_ParseTEXTURESLump(w, texturesLumpPos, &i);
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}
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if (!( texstart == INT16_MAX || texend == INT16_MAX ))
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{
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texstart++; // Do not count the first marker
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// Work through each lump between the markers in the WAD.
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for (j = 0; j < (texend - texstart); j++)
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{
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UINT16 wadnum = (UINT16)w;
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lumpnum_t lumpnum = texstart + j;
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#ifndef NO_PNG_LUMPS
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size_t lumplength;
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#endif
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if (wadfiles[w]->type == RET_PK3)
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{
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if (W_IsLumpFolder(wadnum, lumpnum)) // Check if lump is a folder
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continue; // If it is then SKIP IT
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}
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patchlump = W_CacheLumpNumPwad(wadnum, lumpnum, PU_CACHE);
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#ifndef NO_PNG_LUMPS
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lumplength = W_LumpLengthPwad(wadnum, lumpnum);
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#endif
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//CONS_Printf("\n\"%s\" is a single patch, dimensions %d x %d",W_CheckNameForNumPwad((UINT16)w,texstart+j),patchlump->width, patchlump->height);
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texture = textures[i] = Z_Calloc(sizeof(texture_t) + sizeof(texpatch_t), PU_STATIC, NULL);
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// Set texture properties.
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M_Memcpy(texture->name, W_CheckNameForNumPwad(wadnum, lumpnum), sizeof(texture->name));
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#ifndef NO_PNG_LUMPS
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if (R_IsLumpPNG((UINT8 *)patchlump, lumplength))
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{
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INT16 width, height;
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R_PNGDimensions((UINT8 *)patchlump, &width, &height, lumplength);
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texture->width = width;
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texture->height = height;
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}
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else
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#endif
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{
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texture->width = SHORT(patchlump->width);
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texture->height = SHORT(patchlump->height);
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}
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texture->type = TEXTURETYPE_SINGLEPATCH;
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texture->patchcount = 1;
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texture->holes = false;
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texture->flip = 0;
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||||||
|
// Allocate information for the texture's patches.
|
||||||
|
patch = &texture->patches[0];
|
||||||
|
|
||||||
|
patch->originx = patch->originy = 0;
|
||||||
|
patch->wad = (UINT16)w;
|
||||||
|
patch->lump = texstart + j;
|
||||||
|
patch->flip = 0;
|
||||||
|
|
||||||
|
Z_Unlock(patchlump);
|
||||||
|
|
||||||
|
texturewidth[i] = texture->width;
|
||||||
|
textureheight[i] = texture->height << FRACBITS;
|
||||||
|
i++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return i;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// R_LoadTextures
|
||||||
|
// Initializes the texture list with the textures from the world map.
|
||||||
|
//
|
||||||
|
void R_LoadTextures(void)
|
||||||
|
{
|
||||||
|
INT32 i, w;
|
||||||
|
UINT16 j;
|
||||||
|
UINT16 texstart, texend, texturesLumpPos;
|
||||||
|
|
||||||
|
// Free previous memory before numtextures change.
|
||||||
|
if (numtextures)
|
||||||
|
{
|
||||||
|
for (i = 0; i < numtextures; i++)
|
||||||
|
{
|
||||||
|
Z_Free(textures[i]);
|
||||||
|
Z_Free(texturecache[i]);
|
||||||
|
}
|
||||||
|
Z_Free(texturetranslation);
|
||||||
|
Z_Free(textures);
|
||||||
|
Z_Free(texflats);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Load patches and textures.
|
||||||
|
|
||||||
|
// Get the number of textures to check.
|
||||||
|
// NOTE: Make SURE the system does not process
|
||||||
|
// the markers.
|
||||||
|
// This system will allocate memory for all duplicate/patched textures even if it never uses them,
|
||||||
|
// but the alternative is to spend a ton of time checking and re-checking all previous entries just to skip any potentially patched textures.
|
||||||
|
for (w = 0, numtextures = 0; w < numwadfiles; w++)
|
||||||
|
{
|
||||||
|
#ifdef WALLFLATS
|
||||||
|
// Count flats
|
||||||
|
if (wadfiles[w]->type == RET_PK3)
|
||||||
|
{
|
||||||
|
texstart = W_CheckNumForFolderStartPK3("flats/", (UINT16)w, 0);
|
||||||
|
texend = W_CheckNumForFolderEndPK3("flats/", (UINT16)w, texstart);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
texstart = W_CheckNumForNamePwad("F_START", (UINT16)w, 0);
|
||||||
|
texend = W_CheckNumForNamePwad("F_END", (UINT16)w, texstart);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!( texstart == INT16_MAX || texend == INT16_MAX ))
|
||||||
|
{
|
||||||
|
texstart++; // Do not count the first marker
|
||||||
|
|
||||||
|
// PK3s have subfolders, so we can't just make a simple sum
|
||||||
|
if (wadfiles[w]->type == RET_PK3)
|
||||||
|
{
|
||||||
|
for (j = texstart; j < texend; j++)
|
||||||
|
{
|
||||||
|
if (!W_IsLumpFolder((UINT16)w, j)) // Check if lump is a folder; if not, then count it
|
||||||
|
numtextures++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else // Add all the textures between F_START and F_END
|
||||||
|
{
|
||||||
|
numtextures += (UINT32)(texend - texstart);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif/*WALLFLATS*/
|
||||||
|
|
||||||
|
// Count the textures from TEXTURES lumps
|
||||||
|
texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, 0);
|
||||||
|
while (texturesLumpPos != INT16_MAX)
|
||||||
|
{
|
||||||
|
numtextures += R_CountTexturesInTEXTURESLump((UINT16)w, (UINT16)texturesLumpPos);
|
||||||
|
texturesLumpPos = W_CheckNumForNamePwad("TEXTURES", (UINT16)w, texturesLumpPos + 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Count single-patch textures
|
||||||
|
if (wadfiles[w]->type == RET_PK3)
|
||||||
|
{
|
||||||
|
texstart = W_CheckNumForFolderStartPK3("textures/", (UINT16)w, 0);
|
||||||
|
texend = W_CheckNumForFolderEndPK3("textures/", (UINT16)w, texstart);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
texstart = W_CheckNumForNamePwad(TX_START, (UINT16)w, 0);
|
||||||
|
texend = W_CheckNumForNamePwad(TX_END, (UINT16)w, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (texstart == INT16_MAX || texend == INT16_MAX)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
texstart++; // Do not count the first marker
|
||||||
|
|
||||||
|
// PK3s have subfolders, so we can't just make a simple sum
|
||||||
|
if (wadfiles[w]->type == RET_PK3)
|
||||||
|
{
|
||||||
|
for (j = texstart; j < texend; j++)
|
||||||
|
{
|
||||||
|
if (!W_IsLumpFolder((UINT16)w, j)) // Check if lump is a folder; if not, then count it
|
||||||
|
numtextures++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else // Add all the textures between TX_START and TX_END
|
||||||
|
{
|
||||||
|
numtextures += (UINT32)(texend - texstart);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// If no textures found by this point, bomb out
|
||||||
|
if (!numtextures)
|
||||||
|
I_Error("No textures detected in any WADs!\n");
|
||||||
|
|
||||||
|
// Allocate memory and initialize to 0 for all the textures we are initialising.
|
||||||
|
// There are actually 5 buffers allocated in one for convenience.
|
||||||
|
textures = Z_Calloc((numtextures * sizeof(void *)) * 5, PU_STATIC, NULL);
|
||||||
|
texflats = Z_Calloc((numtextures * sizeof(*texflats)), PU_STATIC, NULL);
|
||||||
|
|
||||||
|
// Allocate texture column offset table.
|
||||||
|
texturecolumnofs = (void *)((UINT8 *)textures + (numtextures * sizeof(void *)));
|
||||||
|
// Allocate texture referencing cache.
|
||||||
|
texturecache = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 2));
|
||||||
|
// Allocate texture width table.
|
||||||
|
texturewidth = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 3));
|
||||||
|
// Allocate texture height table.
|
||||||
|
textureheight = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 4));
|
||||||
|
// Create translation table for global animation.
|
||||||
|
texturetranslation = Z_Malloc((numtextures + 1) * sizeof(*texturetranslation), PU_STATIC, NULL);
|
||||||
|
|
||||||
|
for (i = 0; i < numtextures; i++)
|
||||||
|
texturetranslation[i] = i;
|
||||||
|
|
||||||
|
for (i = 0, w = 0; w < numwadfiles; w++)
|
||||||
|
{
|
||||||
|
i = Rloadtextures(i, w);
|
||||||
|
#ifdef WALLFLATS
|
||||||
|
i = Rloadflats(i, w);
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue