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330 lines
7.9 KiB
C
330 lines
7.9 KiB
C
/*
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* High-colour textures support for Polymost
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* by Jonathon Fowler
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* See the included license file "BUILDLIC.TXT" for license info.
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*/
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#ifdef USE_OPENGL
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#include "build.h"
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#include "compat.h"
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#include "kplib.h"
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#include "hightile.h"
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#include "baselayer.h"
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palette_t hictinting[MAXPALOOKUPS];
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hicreplctyp *hicreplc[MAXTILES];
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char hicfirstinit = 0;
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//
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// find the index into hicreplc[] which contains the replacement tile particulars
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//
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hicreplctyp *hicfindsubst(int32_t picnum, int32_t palnum, int32_t skybox)
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{
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if (!hicfirstinit || (uint32_t)picnum >= (uint32_t)MAXTILES) return NULL;
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do
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{
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if (skybox)
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{
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hicreplctyp *hr = hicreplc[picnum];
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for (; hr; hr = hr->next)
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if (hr->palnum == palnum && hr->skybox && !hr->skybox->ignore)
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return hr;
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}
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else
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{
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hicreplctyp *hr = hicreplc[picnum];
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for (; hr; hr = hr->next)
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if (hr->palnum == palnum && !hr->ignore)
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return hr;
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}
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if (!palnum || palnum >= (MAXPALOOKUPS - RESERVEDPALS)) break;
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palnum = 0;
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}
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while (1);
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return NULL; // no replacement found
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}
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//
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// hicinit()
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// Initialize the high-colour stuff to default.
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//
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void hicinit(void)
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{
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int32_t i,j;
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hicreplctyp *hr, *next;
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for (i=0; i<MAXPALOOKUPS; i++) // all tints should be 100%
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{
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hictinting[i].r = hictinting[i].g = hictinting[i].b = 0xff;
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hictinting[i].f = 0;
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}
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if (hicfirstinit)
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for (i=MAXTILES-1; i>=0; i--)
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{
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for (hr=hicreplc[i]; hr;)
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{
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next = hr->next;
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if (hr->skybox)
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{
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for (j=5; j>=0; j--)
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if (hr->skybox->face[j])
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Bfree(hr->skybox->face[j]);
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Bfree(hr->skybox);
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}
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if (hr->filename)
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Bfree(hr->filename);
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Bfree(hr);
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hr = next;
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}
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}
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Bmemset(hicreplc,0,sizeof(hicreplc));
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hicfirstinit = 1;
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}
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//
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// hicsetpalettetint(pal,r,g,b,effect)
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// The tinting values represent a mechanism for emulating the effect of global sector
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// palette shifts on true-colour textures and only true-colour textures.
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// effect bitset: 1 = greyscale, 2 = invert
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//
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void hicsetpalettetint(int32_t palnum, char r, char g, char b, char effect)
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{
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if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return;
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if (!hicfirstinit) hicinit();
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hictinting[palnum].r = r;
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hictinting[palnum].g = g;
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hictinting[palnum].b = b;
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hictinting[palnum].f = effect & HICEFFECTMASK;
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}
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//
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// hicsetsubsttex(picnum,pal,filen,alphacut)
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// Specifies a replacement graphic file for an ART tile.
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//
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int32_t hicsetsubsttex(int32_t picnum, int32_t palnum, const char *filen, float alphacut, float xscale, float yscale, float specpower, float specfactor, char flags)
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{
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hicreplctyp *hr, *hrn;
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if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
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if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
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if (!hicfirstinit) hicinit();
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for (hr = hicreplc[picnum]; hr; hr = hr->next)
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{
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if (hr->palnum == palnum)
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break;
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}
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if (!hr)
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{
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// no replacement yet defined
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hrn = (hicreplctyp *)Bcalloc(1,sizeof(hicreplctyp));
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if (!hrn) return -1;
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hrn->palnum = palnum;
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}
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else hrn = hr;
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// store into hicreplc the details for this replacement
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if (hrn->filename) Bfree(hrn->filename);
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hrn->filename = Bstrdup(filen);
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if (!hrn->filename)
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{
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if (hrn->skybox) return -1; // don't free the base structure if there's a skybox defined
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if (hr == NULL) Bfree(hrn); // not yet a link in the chain
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return -1;
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}
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hrn->ignore = 0;
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hrn->alphacut = min(alphacut,1.0);
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hrn->xscale = xscale;
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hrn->yscale = yscale;
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hrn->specpower = specpower;
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hrn->specfactor = specfactor;
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hrn->flags = flags;
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if (hr == NULL)
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{
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hrn->next = hicreplc[picnum];
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hicreplc[picnum] = hrn;
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}
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if (tilesizx[picnum]<=0 || tilesizy[picnum]<=0)
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{
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static int32_t first=1;
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if (first)
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{
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initprintf("Warning: defined hightile replacement for empty tile %d.", picnum);
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initprintf(" Maybe some tilesXXX.art are not loaded?");
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initprintf("\n");
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first = 0;
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}
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}
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//printf("Replacement [%d,%d]: %s\n", picnum, palnum, hicreplc[i]->filename);
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return 0;
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}
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//
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// hicsetskybox(picnum,pal,faces[6])
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// Specifies a graphic files making up a skybox.
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//
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int32_t hicsetskybox(int32_t picnum, int32_t palnum, char *faces[6])
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{
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hicreplctyp *hr, *hrn;
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int32_t j;
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if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
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if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
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for (j=5; j>=0; j--) if (!faces[j]) return -1;
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if (!hicfirstinit) hicinit();
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for (hr = hicreplc[picnum]; hr; hr = hr->next)
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{
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if (hr->palnum == palnum)
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break;
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}
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if (!hr)
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{
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// no replacement yet defined
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hrn = (hicreplctyp *)Bcalloc(1,sizeof(hicreplctyp));
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if (!hrn) return -1;
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hrn->palnum = palnum;
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}
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else hrn = hr;
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if (!hrn->skybox)
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{
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hrn->skybox = (struct hicskybox_t *)Bcalloc(1,sizeof(struct hicskybox_t));
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if (!hrn->skybox)
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{
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if (hr == NULL) Bfree(hrn); // not yet a link in the chain
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return -1;
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}
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}
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else
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{
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for (j=5; j>=0; j--)
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{
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if (hrn->skybox->face[j])
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Bfree(hrn->skybox->face[j]);
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}
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}
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// store each face's filename
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for (j=0; j<6; j++)
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{
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hrn->skybox->face[j] = Bstrdup(faces[j]);
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if (!hrn->skybox->face[j])
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{
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for (--j; j>=0; --j) // free any previous faces
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Bfree(hrn->skybox->face[j]);
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Bfree(hrn->skybox);
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hrn->skybox = NULL;
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if (hr == NULL) Bfree(hrn);
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return -1;
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}
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}
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hrn->skybox->ignore = 0;
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if (hr == NULL)
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{
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hrn->next = hicreplc[picnum];
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hicreplc[picnum] = hrn;
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}
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return 0;
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}
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//
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// hicclearsubst(picnum,pal)
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// Clears a replacement for an ART tile, including skybox faces.
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//
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int32_t hicclearsubst(int32_t picnum, int32_t palnum)
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{
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hicreplctyp *hr, *hrn = NULL;
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if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
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if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
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if (!hicfirstinit) return 0;
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for (hr = hicreplc[picnum]; hr; hrn = hr, hr = hr->next)
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{
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if (hr->palnum == palnum)
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break;
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}
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if (!hr) return 0;
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if (hr->filename) Bfree(hr->filename);
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if (hr->skybox)
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{
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int32_t i;
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for (i=5; i>=0; i--)
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if (hr->skybox->face[i])
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Bfree(hr->skybox->face[i]);
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Bfree(hr->skybox);
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}
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if (hrn) hrn->next = hr->next;
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else hicreplc[picnum] = hr->next;
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Bfree(hr);
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return 0;
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}
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#else /* USE_OPENGL */
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#include "compat.h"
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void hicsetpalettetint(int32_t palnum, char r, char g, char b, char effect)
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{
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UNREFERENCED_PARAMETER(palnum);
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UNREFERENCED_PARAMETER(r);
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UNREFERENCED_PARAMETER(g);
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UNREFERENCED_PARAMETER(b);
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UNREFERENCED_PARAMETER(effect);
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}
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int32_t hicsetsubsttex(int32_t picnum, int32_t palnum, const char *filen, float alphacut)
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{
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UNREFERENCED_PARAMETER(picnum);
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UNREFERENCED_PARAMETER(palnum);
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UNREFERENCED_PARAMETER(filen);
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UNREFERENCED_PARAMETER(alphacut);
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return 0;
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}
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int32_t hicsetskybox(int32_t picnum, int32_t palnum, char *faces[6])
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{
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UNREFERENCED_PARAMETER(picnum);
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UNREFERENCED_PARAMETER(palnum);
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UNREFERENCED_PARAMETER(faces);
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return 0;
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}
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int32_t hicclearsubst(int32_t picnum, int32_t palnum)
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{
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UNREFERENCED_PARAMETER(picnum);
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UNREFERENCED_PARAMETER(palnum);
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return 0;
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}
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#endif
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