93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
//=======================================================================
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// Copyright XashXT Group 2008 ©
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// render_api.h - xash renderer api
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//=======================================================================
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#ifndef RENDER_API_H
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#define RENDER_API_H
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// shader types used for shader loading
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#define SHADER_SKY 0 // sky box shader
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#define SHADER_FONT 1 // speical case for displayed fonts
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#define SHADER_NOMIP 2 // 2d images
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#define SHADER_GENERIC 3 // generic shader
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typedef struct vrect_s
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{
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int x, y;
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int width;
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int height;
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} vrect_t;
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typedef struct
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{
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vrect_t rect; // screen rectangle
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float fov_x; // field of view by vertical
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float fov_y; // field of view by horizontal
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vec3_t vieworg; // client origin + viewoffset
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vec3_t viewangles; // client angles
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float time; // time is used to shaders auto animate
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float oldtime; // oldtime using for lerping studio models
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uint rdflags; // client view effects: RDF_UNDERWATER, RDF_MOTIONBLUR, etc
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byte *areabits; // if not NULL, only areas with set bits will be drawn
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} refdef_t;
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/*
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==============================================================================
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RENDER.DLL INTERFACE
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==============================================================================
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*/
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typedef struct render_exp_s
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{
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// interface validator
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size_t api_size; // must matched with sizeof(render_exp_t)
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// initialize
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bool (*Init)( bool full ); // init all render systems
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void (*Shutdown)( bool full ); // shutdown all render systems
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void (*BeginRegistration)( const char *map );
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bool (*RegisterModel)( const char *name, int cl_index ); // also build replacement index table
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shader_t (*RegisterShader)( const char *name, int shaderType );
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void (*EndRegistration)( void );
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// prepare frame to rendering
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bool (*AddRefEntity)( entity_state_t *s1, entity_state_t *s2, float lerp );
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bool (*AddDynLight)( vec3_t org, vec3_t color, float intensity );
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bool (*AddParticle)( shader_t shader, const vec3_t p1, const vec3_t p2, float rad, float len, float rot, int col );
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bool (*AddLightStyle)( int stylenum, vec3_t color );
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void (*ClearScene)( void );
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void (*BeginFrame)( void );
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void (*RenderFrame)( refdef_t *fd );
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void (*EndFrame)( void );
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// misc utilities
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void (*SetColor)( const float *rgba );
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bool (*ScrShot)( const char *filename, int shot_type ); // write screenshot with same name
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bool (*EnvShot)( const char *filename, uint size, bool skyshot ); // write envshot with same name
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void (*LightForPoint)( const vec3_t point, vec3_t ambientLight );
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void (*DrawFill)( float x, float y, float w, float h );
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void (*DrawStretchRaw)( int x, int y, int w, int h, int cols, int rows, byte *data, bool redraw );
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void (*DrawStretchPic)( float x, float y, float w, float h, float s1, float t1, float s2, float t2, shader_t shader );
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void (*DrawGetPicSize)( int *w, int *h, shader_t shader );
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} render_exp_t;
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typedef struct render_imp_s
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{
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// interface validator
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size_t api_size; // must matched with sizeof(render_imp_t)
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// client fundamental callbacks
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void (*UpdateScreen)( void ); // update screen while loading
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void (*StudioEvent)( dstudioevent_t *event, entity_state_t *ent );
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void (*ShowCollision)( cmdraw_t callback ); // debug
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long (*WndProc)( void *hWnd, uint uMsg, uint wParam, long lParam );
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entity_state_t *(*GetClientEdict)( int index );
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entity_state_t *(*GetLocalPlayer)( void );
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int (*GetMaxClients)( void );
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} render_imp_t;
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#endif//RENDER_API_H
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