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317 lines
7.3 KiB
C
317 lines
7.3 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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int32_t hicinitcounter = 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)
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{
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if (!hicreplc[picnum] || !hicinitcounter) return NULL;
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do
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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)
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return hr;
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if (!palnum || palnum >= (MAXPALOOKUPS - RESERVEDPALS))
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return NULL;
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palnum = 0;
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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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// this is separate because it's not worth passing an extra parameter which is "0" in 99.9999% of cases
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// to the regular hicfindsubst() function
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//
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hicreplctyp *hicfindskybox(int32_t picnum, int32_t palnum)
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{
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if (!hicreplc[picnum] || !hicinitcounter) return NULL;
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do
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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->skybox && hr->palnum == palnum)
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return hr;
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if (!palnum || palnum >= (MAXPALOOKUPS - RESERVEDPALS))
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return NULL;
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palnum = 0;
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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;
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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 (hicinitcounter)
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{
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hicreplctyp *hr, *next;
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int32_t j;
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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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Bfree(hr->skybox->face[j]);
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Bfree(hr->skybox);
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}
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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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}
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Bmemset(hicreplc,0,sizeof(hicreplc));
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hicinitcounter++;
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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 (!hicinitcounter) 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 (!hicinitcounter) 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 *)Xcalloc(1,sizeof(hicreplctyp));
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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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Bfree(hrn->filename);
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hrn->filename = Xstrdup(filen);
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hrn->alphacut = min(alphacut,1.f);
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hrn->scale.x = xscale;
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hrn->scale.y = 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 (tilesiz[picnum].x<=0 || tilesiz[picnum].y<=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], int32_t flags )
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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 (!hicinitcounter) 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 *)Xcalloc(1,sizeof(hicreplctyp));
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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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hrn->skybox = (struct hicskybox_t *)Xcalloc(1,sizeof(struct hicskybox_t));
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else
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{
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for (j=0; j<6; j++)
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DO_FREE_AND_NULL(hrn->skybox->face[j]);
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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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hrn->skybox->face[j] = Xstrdup(faces[j]);
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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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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 (!hicinitcounter) 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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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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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], int32_t flags)
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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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UNREFERENCED_PARAMETER(flags);
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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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