include/ogl_rl.h

   1 #ifndef __OGL_REND_LIST_H__
   2 #define __OGL_REND_LIST_H__
   3
   4 // Rendquad flags.
   5 #define RQF_FLAT                        0x1             // This is a flat triangle.
   6 #define RQF_MASKED                      0x2             // Use the special list for masked textures.
   7 #define RQF_MISSING_WALL        0x4             // Originally this surface had no texture.
   8 #define RQF_SKY_MASK            0x8             // A sky mask triangle.
   9 #define RQF_SKY_MASK_WALL       0x10    // A sky mask wall (with skyfix).
  10 #define RQF_LIGHT                       0x20    // A dynamic light.
  11 #define RQF_FLOOR_FACING        0x40    // Used for flats, the quad faces upwards.
  12
  13 typedef struct
  14 {
  15         float   v1[2], v2[2];           // Two vertices.
  16         float   top;                            // Top height.
  17         union _quadTri {
  18                 struct _quad {
  19                         float bottom;           // Bottom height.
  20                         float len;                      // Length of the quad.
  21                 } q;
  22                 float v3[2];                    // Third vertex for flats.
  23         } u;
  24         float   light;                          // Light level, as in 0 = black, 1 = fullbright.
  25         float   texoffx;                        // Texture coordinates for left/top (in real texcoords).
  26         float   texoffy;
  27         short   flags;                          // RQF_*.
  28         GLuint  masktex;                        // Texture name for masked textures.
  29         unsigned short texw, texh;      // Size of the texture.
  30         float   dist[3];                        // Distances to the vertices.
  31 } rendquad_t; // Or flat triangle.
  32
  33 typedef struct
  34 {
  35         GLuint  tex;                            // The name of the texture for this list.
  36         int             numquads;                       // Number of quads in the list.
  37         int             listsize;                       // Absolute size of the list.
  38         rendquad_t *quads;                      // The list of quads.
  39 } rendlist_t;
  40
  41
  42 // ogl_rl.c
  43
  44 void RL_Init();
  45 void RL_ClearLists();
  46 void RL_DeleteLists();
  47 void RL_AddQuad(rendquad_t *quad, GLuint quadtex);
  48 void RL_AddFlatQuads(rendquad_t *base, GLuint quadtex, int numvrts, fvertex_t *vrts, int dir);
  49 void RL_RenderAllLists();
  50 void SetVertexColor(float light, float dist, float alpha);
  51
  52 #endif
  53