177 lines
7.6 KiB
C
177 lines
7.6 KiB
C
/*
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Copyright (C) 1996-2001 Id Software, Inc.
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Copyright (C) 2002-2009 John Fitzgibbons and others
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Copyright (C) 2010-2014 QuakeSpasm developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef spingle__render_h
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#define spingle__render_h
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// refresh.h -- public interface to refresh functions
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#define MAXCLIPPLANES 11
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#define TOP_RANGE 16 // soldier uniform colors
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#define BOTTOM_RANGE 96
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//=============================================================================
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typedef struct efrag_s
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{
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struct efrag_s *leafnext;
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struct entity_s *entity;
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} efrag_t;
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//johnfitz -- for lerping
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#define LERP_MOVESTEP (1<<0) //this is a MOVETYPE_STEP entity, enable movement lerp
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#define LERP_RESETANIM (1<<1) //disable anim lerping until next anim frame
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#define LERP_RESETANIM2 (1<<2) //set this and previous flag to disable anim lerping for two anim frames
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#define LERP_RESETMOVE (1<<3) //disable movement lerping until next origin/angles change
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#define LERP_FINISH (1<<4) //use lerpfinish time from server update instead of assuming interval of 0.1
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//johnfitz
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typedef struct entity_s
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{
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bool forcelink; // model changed
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int32_t update_type;
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entity_state_t baseline; // to fill in defaults in updates
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double msgtime; // time of last update
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vec3_t msg_origins[2]; // last two updates (0 is newest)
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vec3_t origin;
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vec3_t msg_angles[2]; // last two updates (0 is newest)
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vec3_t angles;
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struct qmodel_s *model; // NULL = no model
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struct efrag_s *efrag; // linked list of efrags
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int32_t frame;
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float syncbase; // for client-side animations
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byte *colormap;
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int32_t effects; // light, particles, etc
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int32_t skinnum; // for Alias models
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int32_t visframe; // last frame this entity was
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// found in an active leaf
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int32_t dlightframe; // dynamic lighting
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int32_t dlightbits;
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int32_t trivial_accept;
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struct mnode_s *topnode; // for bmodels, first world node
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// that splits bmodel, or NULL if
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// not split
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byte alpha; //johnfitz -- alpha
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byte lerpflags; //johnfitz -- lerping
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float lerpstart; //johnfitz -- animation lerping
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float lerptime; //johnfitz -- animation lerping
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float lerpfinish; //johnfitz -- lerping -- server sent us a more accurate interval, use it instead of 0.1
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int16_t previouspose; //johnfitz -- animation lerping
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int16_t currentpose; //johnfitz -- animation lerping
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// int16_t futurepose; //johnfitz -- animation lerping
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float movelerpstart; //johnfitz -- transform lerping
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vec3_t previousorigin; //johnfitz -- transform lerping
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vec3_t currentorigin; //johnfitz -- transform lerping
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vec3_t previousangles; //johnfitz -- transform lerping
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vec3_t currentangles; //johnfitz -- transform lerping
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} entity_t;
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// !!! if this is changed, it must be changed in asm_draw.h too !!!
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typedef struct
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{
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vrect_t vrect; // subwindow in video for refresh
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// FIXME: not need vrect next field here?
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vrect_t aliasvrect; // scaled Alias version
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int32_t vrectright, vrectbottom; // right & bottom screen coords
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int32_t aliasvrectright, aliasvrectbottom; // scaled Alias versions
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float vrectrightedge; // rightmost right edge we care about,
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// for use in edge list
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float fvrectx, fvrecty; // for floating-point compares
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float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping
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int32_t vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20
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int32_t vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20
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float fvrectright_adj, fvrectbottom_adj;
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// right and bottom edges, for clamping
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float fvrectright; // rightmost edge, for Alias clamping
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float fvrectbottom; // bottommost edge, for Alias clamping
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float horizontalFieldOfView; // at Z = 1.0, this many X is visible
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// 2.0 = 90 degrees
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float xOrigin; // should probably allways be 0.5
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float yOrigin; // between be around 0.3 to 0.5
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vec3_t vieworg;
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vec3_t viewangles;
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float fov_x, fov_y;
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int32_t ambientlight;
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} refdef_t;
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//
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// refresh
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//
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extern int32_t reinit_surfcache;
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extern refdef_t r_refdef;
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extern vec3_t r_origin, vpn, vright, vup;
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void R_Init(void);
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void R_InitTextures(void);
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void R_InitEfrags(void);
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void R_RenderView(void); // must set r_refdef first
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void R_ViewChanged(vrect_t *pvrect, int32_t lineadj, float aspect);
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// called whenever r_refdef or vid change
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//void R_InitSky (struct texture_s *mt); // called at level load
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void R_CheckEfrags(void); //johnfitz
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void R_AddEfrags(entity_t *ent);
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void R_NewMap(void);
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void R_ParseParticleEffect(void);
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void R_RunParticleEffect(vec3_t org, vec3_t dir, int32_t color, int32_t count);
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void R_RocketTrail(vec3_t start, vec3_t end, int32_t type);
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void R_EntityParticles(entity_t *ent);
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void R_BlobExplosion(vec3_t org);
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void R_ParticleExplosion(vec3_t org);
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void R_ParticleExplosion2(vec3_t org, int32_t colorStart, int32_t colorLength);
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void R_LavaSplash(vec3_t org);
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void R_TeleportSplash(vec3_t org);
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void R_PushDlights(void);
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//
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// surface cache related
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//
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extern int32_t reinit_surfcache; // if 1, surface cache is currently empty and
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extern bool r_cache_thrash; // set if thrashing the surface cache
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int32_t D_SurfaceCacheForRes(int32_t width, int32_t height);
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void D_FlushCaches(void);
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void D_DeleteSurfaceCache(void);
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void D_InitCaches(void *buffer, int32_t size);
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void R_SetVrect(vrect_t *pvrect, vrect_t *pvrectin, int32_t lineadj);
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#endif
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