/**
* @brief Draws the field marker entity is specified in CL_AddTargeting
* @sa CL_AddTargeting
* @sa RF_BOX
*/
static void R_DrawBox (const entity_t* e)
{
const vec4_t color = {e->color[0], e->color[1], e->color[2], e->alpha};
if (e->texture) {
R_Color(color);
R_BindTexture(e->texture->texnum);
if (VectorNotEmpty(e->eBox.mins) && VectorNotEmpty(e->eBox.maxs)) {
R_DrawTexturedBox(e->eBox.mins, e->eBox.maxs);
} else {
R_DrawTexturedBox(e->oldorigin, e->origin);
}
R_Color(nullptr);
return;
}
glDisable(GL_TEXTURE_2D);
R_Color(color);
if (VectorNotEmpty(e->eBox.mins) && VectorNotEmpty(e->eBox.maxs)) {
R_DrawBoundingBox(e->eBox);
} else {
vec3_t points[] = { { e->oldorigin[0], e->oldorigin[1], e->oldorigin[2] }, { e->oldorigin[0], e->origin[1],
e->oldorigin[2] }, { e->origin[0], e->origin[1], e->oldorigin[2] }, { e->origin[0], e->oldorigin[1],
e->oldorigin[2] } };
glLineWidth(2.0f);
R_BindArray(GL_VERTEX_ARRAY, GL_FLOAT, points);
/** @todo fill one array */
glDrawArrays(GL_LINE_LOOP, 0, 4);
refdef.batchCount++;
points[0][2] = e->origin[2];
points[1][2] = e->origin[2];
points[2][2] = e->origin[2];
points[3][2] = e->origin[2];
glDrawArrays(GL_LINE_LOOP, 0, 4);
refdef.batchCount++;
points[0][2] = e->oldorigin[2];
points[1][1] = e->oldorigin[1];
points[2][2] = e->oldorigin[2];
points[3][1] = e->origin[1];
glDrawArrays(GL_LINES, 0, 4);
refdef.batchCount++;
points[0][0] = e->origin[0];
points[1][0] = e->origin[0];
points[2][0] = e->oldorigin[0];
points[3][0] = e->oldorigin[0];
glDrawArrays(GL_LINES, 0, 4);
refdef.batchCount++;
R_BindDefaultArray(GL_VERTEX_ARRAY);
}
glEnable(GL_TEXTURE_2D);
R_Color(nullptr);
}
/**
* @brief Use the vertex, texture and normal arrays to draw a surface
* @sa R_DrawSurfaces
*/
static inline void R_DrawSurface (const mBspSurface_t *surf)
{
glDrawArrays(GL_TRIANGLE_FAN, surf->index, surf->numedges);
refdef.batchCount++;
if (r_showbox->integer == 2)
R_DrawBoundingBox(surf->mins, surf->maxs);
refdef.brushCount++;
}
/**
* @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 Renders a particle model for the battlescape
* @param[in,out] mi The model information that is used to render the particle model.
* @sa R_DrawPtlModel
*/
void R_DrawModelParticle (modelInfo_t * mi)
{
image_t *skin;
mAliasMesh_t *mesh;
/* check if the model exists */
if (!mi->model)
return;
skin = R_AliasModelState(mi->model, &mi->mesh, &mi->frame, &mi->oldframe, &mi->skin);
if (skin == NULL) {
Com_Printf("Model '%s' is broken\n", mi->name);
return;
}
R_Color(mi->color);
glPushMatrix();
glTranslatef(mi->origin[0], mi->origin[1], mi->origin[2]);
glRotatef(mi->angles[YAW], 0, 0, 1);
glRotatef(mi->angles[PITCH], 0, 1, 0);
glRotatef(-mi->angles[ROLL], 1, 0, 0);
/* draw it */
R_BindTexture(skin->texnum);
/* draw the model */
mesh = &mi->model->alias.meshes[0];
refdef.aliasCount += mesh->num_tris;
if (mi->model->alias.num_frames == 1)
R_DrawAliasStaticWithReset(mesh, vec4_origin);
else
R_DrawAliasFrameLerp(&mi->model->alias, mesh, mi->backlerp, mi->frame, mi->oldframe, vec4_origin);
/* show model bounding box */
if (r_showbox->integer)
R_DrawBoundingBox(mi->model->alias.frames[mi->frame].mins, mi->model->alias.frames[mi->frame].maxs);
glPopMatrix();
R_Color(NULL);
}
/**
* @brief Draw a model from the battlescape entity list
* @sa R_GetEntityLists
*/
void R_DrawAliasModel (entity_t *e)
{
mAliasModel_t *mod = &e->model->alias;
/* the values are sane here already - see R_GetEntityLists */
const image_t *skin = mod->meshes[e->as.mesh].skins[e->skinnum].skin;
int i;
float g;
vec4_t color = {0.8, 0.8, 0.8, 1.0};
mAliasMesh_t *mesh;
/* IR goggles override color for entities that are affected */
if ((refdef.rendererFlags & RDF_IRGOGGLES) && (e->flags & RF_IRGOGGLES))
Vector4Set(e->shell, 1.0, 0.3, 0.3, 1.0);
if (e->flags & RF_PULSE) { /* and then adding in a pulse */
const float f = 1.0 + sin((refdef.time + (e->model->alias.meshes[0].num_tris)) * 6.0) * 0.33;
VectorScale(color, 1.0 + f, color);
}
g = 0.0;
/* find brightest component */
for (i = 0; i < 3; i++) {
if (color[i] > g) /* keep it */
g = color[i];
}
/* scale it back to 1.0 */
if (g > 1.0)
VectorScale(color, 1.0 / g, color);
R_Color(color);
assert(skin->texnum > 0);
R_BindTexture(skin->texnum);
R_EnableGlowMap(skin->glowmap);
R_UpdateLightList(e);
R_EnableModelLights(e->lights, e->numLights, e->inShadow, true);
/** @todo this breaks the encapsulation - don't call CL_* functions from within the renderer code */
if (r_debug_lights->integer) {
for (i = 0; i < e->numLights && i < r_dynamic_lights->integer; i++)
CL_ParticleSpawn("lightTracerDebug", 0, e->transform.matrix + 12, e->lights[i]->origin);
}
if (skin->normalmap)
R_EnableBumpmap(skin->normalmap);
if (skin->specularmap)
R_EnableSpecularMap(skin->specularmap, true);
if (skin->roughnessmap)
R_EnableRoughnessMap(skin->roughnessmap, true);
glPushMatrix();
glMultMatrixf(e->transform.matrix);
if (VectorNotEmpty(e->scale))
glScalef(e->scale[0], e->scale[1], e->scale[2]);
mesh = R_DrawAliasModelBuffer(e);
if (r_state.specularmap_enabled)
R_EnableSpecularMap(NULL, false);
if (r_state.roughnessmap_enabled)
R_EnableRoughnessMap(NULL, false);
R_EnableModelLights(NULL, 0, false, false);
R_EnableGlowMap(NULL);
if (r_state.active_normalmap)
R_EnableBumpmap(NULL);
R_DrawMeshShadow(e, mesh);
if (mod->num_frames == 1)
R_ResetArraysAfterStaticMeshRender();
glPopMatrix();
/* show model bounding box */
if (r_showbox->integer)
R_DrawBoundingBox(mod->frames[e->as.frame].mins, mod->frames[e->as.frame].maxs);
R_Color(NULL);
}
/**
* @brief Draws a model in 2d mode (for rendering model data from the ui)
* @param[in,out] mi All the needed model information to render the model
* @param[in,out] pmi The model information of the parent model. This is used
* in those cases, where the model that should get rendered here is placed relativly
* to an already existing model in the world.
* @param[in] tagname If a parent model is given, a @c tagname is given in most cases, too. It's used
* to transform the model location relative to the parent model location again. E.g. a
* @c tagname of tag_rweapon will transform the location to the right hand of an actor.
* @sa R_DrawAliasModel
*/
void R_DrawModelDirect (modelInfo_t * mi, modelInfo_t * pmi, const char *tagname)
{
image_t *skin;
mAliasMesh_t *mesh;
if (Q_strnull(mi->name))
return;
/* register the model */
mi->model = R_FindModel(mi->name);
/* check if the model exists */
if (!mi->model) {
Com_Printf("No model found for '%s'\n", mi->name);
return;
}
skin = R_AliasModelState(mi->model, &mi->mesh, &mi->frame, &mi->oldframe, &mi->skin);
if (skin == NULL) {
Com_Printf("Model '%s' is broken\n", mi->name);
return;
}
glPushMatrix();
glScalef(viddef.rx, viddef.ry, (viddef.rx + viddef.ry) / 2);
R_Color(mi->color);
if (pmi) {
/* register the parent model */
pmi->model = R_FindModel(pmi->name);
/* transform - the next transform for the child model will be relative from the
* parent model location now */
R_TransformModelDirect(pmi);
/* tag transformation */
if (tagname) {
const mAliasTagOrientation_t *current = NULL;
const mAliasTagOrientation_t *old = NULL;
R_GetTags(pmi->model, tagname, pmi->frame, pmi->oldframe, ¤t, &old);
if (current != NULL && old != NULL) {
float interpolated[16];
/* do interpolation */
R_InterpolateTransform(pmi->backlerp, pmi->model->alias.num_frames, current, old, interpolated);
/* transform */
glMultMatrixf(interpolated);
R_CheckError();
}
}
}
/* transform */
R_TransformModelDirect(mi);
/* we have to reenable this here - we are in 2d mode here already */
glEnable(GL_DEPTH_TEST);
/* draw it */
R_BindTexture(skin->texnum);
/* draw the model */
mesh = &mi->model->alias.meshes[0];
refdef.aliasCount += mesh->num_tris;
if (mi->model->alias.num_frames == 1)
R_DrawAliasStaticWithReset(mesh, vec4_origin);
else
R_DrawAliasFrameLerp(&mi->model->alias, mesh, mi->backlerp, mi->frame, mi->oldframe, vec4_origin);
/* show model bounding box */
if (r_showbox->integer)
R_DrawBoundingBox(mi->model->alias.frames[mi->frame].mins, mi->model->alias.frames[mi->frame].maxs);
glDisable(GL_DEPTH_TEST);
glPopMatrix();
R_Color(NULL);
}