105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
#ifndef ENGINE_RENDERGL_HH
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#define ENGINE_RENDERGL_HH
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#include <shared/gl.hh>
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#include <shared/geom.hh>
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extern bool hasVAO, hasTR, hasTSW, hasPBO, hasFBO, hasAFBO, hasDS, hasTF, hasCBF, hasS3TC, hasFXT1, hasLATC, hasRGTC, hasAF, hasFBB, hasFBMS, hasTMS, hasMSS, hasFBMSBS, hasUBO, hasMBR, hasDB2, hasDBB, hasTG, hasTQ, hasPF, hasTRG, hasTI, hasHFV, hasHFP, hasDBT, hasDC, hasDBGO, hasEGPU4, hasGPU4, hasGPU5, hasBFE, hasEAL, hasCR, hasOQ2, hasES2, hasES3, hasCB, hasCI, hasTS;
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extern int xtraverts, xtravertsva;
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extern int renderw, renderh, hudw, hudh;
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extern int glversion, glslversion, glcompat;
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extern int maxdrawbufs, maxdualdrawbufs;
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enum { DRAWTEX_NONE = 0, DRAWTEX_ENVMAP, DRAWTEX_MINIMAP, DRAWTEX_MODELPREVIEW };
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extern int vieww, viewh;
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extern float fovy, forceaspect;
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extern float nearplane;
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extern int farplane;
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extern float ldrscale, ldrscaleb;
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extern int drawtex;
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extern const matrix4 viewmatrix, invviewmatrix;
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extern matrix4 cammatrix, projmatrix, camprojmatrix, invcammatrix, invcamprojmatrix, invprojmatrix;
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extern int fog;
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extern bvec fogcolour;
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extern vec curfogcolor;
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extern int wireframe;
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extern int glerr;
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extern void glerror(const char *file, int line, GLenum error);
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#define GLERROR do { if(glerr) { GLenum error = glGetError(); if(error != GL_NO_ERROR) glerror(__FILE__, __LINE__, error); } } while(0)
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struct physent; // FIXME
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extern physent *camera1; // special ent that acts as camera, same object as player1 in FPS mode
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extern vec worldpos, camdir, camright, camup;
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void gl_checkextensions();
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void gl_init();
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void gl_resize();
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void gl_drawview();
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void gl_drawmainmenu();
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void gl_drawhud();
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void gl_setupframe(bool force = false);
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void gl_drawframe();
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void cleanupgl();
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void drawminimap();
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void enablepolygonoffset(GLenum type);
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void disablepolygonoffset(GLenum type);
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bool calcspherescissor(const vec ¢er, float size, float &sx1, float &sy1, float &sx2, float &sy2, float &sz1, float &sz2);
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bool calcbbscissor(const ivec &bbmin, const ivec &bbmax, float &sx1, float &sy1, float &sx2, float &sy2);
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bool calcspotscissor(const vec &origin, float radius, const vec &dir, int spot, const vec &spotx, const vec &spoty, float &sx1, float &sy1, float &sx2, float &sy2, float &sz1, float &sz2);
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void screenquad();
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void screenquad(float sw, float sh);
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void screenquadflipped(float sw, float sh);
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void screenquad(float sw, float sh, float sw2, float sh2);
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void screenquadoffset(float x, float y, float w, float h);
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void screenquadoffset(float x, float y, float w, float h, float x2, float y2, float w2, float h2);
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void hudquad(float x, float y, float w, float h, float tx = 0, float ty = 0, float tw = 1, float th = 1);
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void debugquad(float x, float y, float w, float h, float tx = 0, float ty = 0, float tw = 1, float th = 1);
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void recomputecamera();
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float calcfrustumboundsphere(float nearplane, float farplane, const vec &pos, const vec &view, vec ¢er);
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void setfogcolor(const vec &v);
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void zerofogcolor();
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void resetfogcolor();
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float calcfogdensity(float dist);
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float calcfogcull();
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void renderavatar();
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namespace modelpreview
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{
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void start(int x, int y, int w, int h, bool background = true, bool scissor = false);
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void end();
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}
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vec calcmodelpreviewpos(const vec &radius, float &yaw);
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struct timer;
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timer *begintimer(const char *name, bool gpu = true);
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void endtimer(timer *t);
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struct cubemapside; /* texture.hh */
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void drawcubemap(int size, const vec &o, float yaw, float pitch, const cubemapside &side, bool onlysky = false);
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void mousemove(int dx, int dy);
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extern matrix4 hudmatrix;
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void resethudmatrix();
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void pushhudmatrix();
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void flushhudmatrix(bool flushparams = true);
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void pophudmatrix(bool flush = true, bool flushparams = true);
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void pushhudscale(float sx, float sy = 0);
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void pushhudtranslate(float tx, float ty, float sx = 0, float sy = 0);
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void resethudshader();
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#endif
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