/*
* R_DrawSurfacesLines_default
*/
static void R_DrawSurfacesLines_default(const r_bsp_surfaces_t *surfs) {
unsigned int i;
R_EnableTexture(&texunit_diffuse, false);
R_EnableColorArray(true);
R_SetArrayState(r_world_model);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
for (i = 0; i < surfs->count; i++) {
if (surfs->surfaces[i]->frame != r_locals.frame)
continue;
R_DrawSurface_default(surfs->surfaces[i]);
}
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
R_EnableColorArray(false);
R_EnableTexture(&texunit_diffuse, true);
}
/*
* R_DrawSurfaces_default
*/
static void R_DrawSurfaces_default(const r_bsp_surfaces_t *surfs) {
unsigned int i;
R_SetArrayState(r_world_model);
// draw the surfaces
for (i = 0; i < surfs->count; i++) {
if (surfs->surfaces[i]->frame != r_locals.frame)
continue;
R_SetSurfaceState_default(surfs->surfaces[i]);
R_DrawSurface_default(surfs->surfaces[i]);
}
// reset state
if (r_state.lighting_enabled) {
if (r_state.bumpmap_enabled)
R_EnableBumpmap(NULL, false);
R_EnableLights(0);
}
glColor4ubv(color_white);
}
/**
* @param[in] drawFunc The function pointer to the surface draw function
* @param[in] surfType The primary rendering type of the surface
*/
static void R_RenderBspRRefs (drawSurfaceFunc drawFunc, surfaceArrayType_t surfType)
{
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT); /* our triangles are backwards to what OpenGL expects, so tell it to render only back faces */
for (int i = 0; i < numBspRRefs; i++) {
const bspRenderRef_t* const bspRR = &bspRRefs[i];
const mBspModel_t* const bsp = bspRR->bsp;
const mBspModel_t* const tile = &r_mapTiles[bsp->maptile]->bsp; /* This is required to find the tile (world) bsp model to which arrays belong (submodels do not own arrays, but use world model ones) */
glElementIndex_t* indexPtr;
if (!bsp->sorted_surfaces[surfType]->count)
continue;
R_SetArrayState(tile);
/* Vertex buffers are nullptr-based, arrays are not */
if (qglBindBuffer && r_vertexbuffers->integer)
indexPtr = nullptr;
else
indexPtr = tile->indexes;
glPushMatrix();
glTranslatef(bspRR->origin[0], bspRR->origin[1], bspRR->origin[2]);
glRotatef(bspRR->angles[YAW], 0, 0, 1);
glRotatef(bspRR->angles[PITCH], 0, 1, 0);
glRotatef(bspRR->angles[ROLL], 1, 0, 0);
drawFunc(bsp->sorted_surfaces[surfType], indexPtr);
/** @todo make it work again; also reimplement r_showbox 2 */
#if 0
/* show model bounding box */
if (r_showbox->integer) {
const model_t* model = bspRR->bsp;
R_DrawBoundingBox(model->mins, model->maxs);
}
#endif
glPopMatrix();
}
/* and restore array pointers */
R_ResetArrayState();
glCullFace(GL_BACK);
glDisable(GL_CULL_FACE);
}
/**
* @brief Sets renderer state for the given entity.
*/
static void R_SetMeshShellState_default(const r_entity_t *e) {
R_SetArrayState(e->model);
R_SetMeshShellColor_default(e);
R_RotateForEntity(e);
if (e->effects & EF_WEAPON) {
R_DepthRange(0.0, 0.3);
R_UseShellOffset_shell(0.250);
} else {
R_UseShellOffset_shell(1.125);
}
// setup lerp for animating models
if (e->old_frame != e->frame) {
R_UseInterpolation(e->lerp);
}
}