/* ** r_3dfloors.cpp ** software 3D floors addon ** ** by kgsws */ #include "templates.h" #include "doomdef.h" #include "p_local.h" #include "c_dispatch.h" #include "r_local.h" #include "r_bsp.h" #include "r_plane.h" #include "c_cvars.h" #include "r_3dfloors.h" // external variables int fake3D; F3DFloor *fakeFloor; fixed_t fakeHeight; fixed_t fakeAlpha; int fakeActive = 0; fixed_t sclipBottom; fixed_t sclipTop; HeightLevel *height_top = NULL; HeightLevel *height_cur = NULL; int CurrentMirror = 0; int CurrentSkybox = 0; CVAR(Int, r_3dfloors, true, 0); // private variables int height_max = -1; TArray toplist; ClipStack *clip_top = NULL; ClipStack *clip_cur = NULL; void R_3D_DeleteHeights() { height_cur = height_top; while(height_cur) { height_top = height_cur; height_cur = height_cur->next; M_Free(height_top); } height_max = -1; height_top = height_cur = NULL; } void R_3D_AddHeight(secplane_t *add, sector_t *sec) { HeightLevel *near; HeightLevel *curr; fixed_t height; height = add->ZatPoint(viewx, viewy); if(height >= FLOAT2FIXED(sec->CenterCeiling())) return; if(height <= FLOAT2FIXED(sec->CenterFloor())) return; fakeActive = 1; if(height_max >= 0) { near = height_top; while(near && near->height < height) near = near->next; if(near) { if(near->height == height) return; curr = (HeightLevel*)M_Malloc(sizeof(HeightLevel)); curr->height = height; curr->prev = near->prev; curr->next = near; if(near->prev) near->prev->next = curr; else height_top = curr; near->prev = curr; } else { curr = (HeightLevel*)M_Malloc(sizeof(HeightLevel)); curr->height = height; curr->prev = height_cur; curr->next = NULL; height_cur->next = curr; height_cur = curr; } } else { height_top = height_cur = (HeightLevel*)M_Malloc(sizeof(HeightLevel)); height_top->height = height; height_top->prev = NULL; height_top->next = NULL; } height_max++; } void R_3D_NewClip() { ClipStack *curr; // extern short floorclip[MAXWIDTH]; // extern short ceilingclip[MAXWIDTH]; curr = (ClipStack*)M_Malloc(sizeof(ClipStack)); curr->next = 0; memcpy(curr->floorclip, floorclip, sizeof(short) * MAXWIDTH); memcpy(curr->ceilingclip, ceilingclip, sizeof(short) * MAXWIDTH); curr->ffloor = fakeFloor; assert(fakeFloor->floorclip == NULL); assert(fakeFloor->ceilingclip == NULL); fakeFloor->floorclip = curr->floorclip; fakeFloor->ceilingclip = curr->ceilingclip; if(clip_top) { clip_cur->next = curr; clip_cur = curr; } else { clip_top = clip_cur = curr; } } void R_3D_ResetClip() { clip_cur = clip_top; while(clip_cur) { assert(clip_cur->ffloor->floorclip != NULL); assert(clip_cur->ffloor->ceilingclip != NULL); clip_cur->ffloor->ceilingclip = clip_cur->ffloor->floorclip = NULL; clip_top = clip_cur; clip_cur = clip_cur->next; M_Free(clip_top); } clip_cur = clip_top = NULL; } void R_3D_EnterSkybox() { HeightStack current; current.height_top = height_top; current.height_cur = height_cur; current.height_max = height_max; toplist.Push(current); height_top = NULL; height_cur = NULL; height_max = -1; CurrentSkybox++; } void R_3D_LeaveSkybox() { HeightStack current; current.height_top = NULL; current.height_cur = NULL; current.height_max = -1; toplist.Pop(current); height_top = current.height_top; height_cur = current.height_cur; height_max = current.height_max; CurrentSkybox--; }