-#include "quakedef.h"
-#include "r_shadow.h"
-
-void GL_Models_Init(void)
-{
-}
-
-static texture_t r_aliasnotexture;
-static texture_t *R_FetchAliasSkin(const entity_render_t *ent, const aliasmesh_t *mesh)
-{
- model_t *model = ent->model;
- if (model->numskins)
- {
- int s = ent->skinnum;
- if ((unsigned int)s >= (unsigned int)model->numskins)
- s = 0;
- if (model->skinscenes[s].framecount > 1)
- s = model->skinscenes[s].firstframe + (unsigned int) (r_refdef.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
- else
- s = model->skinscenes[s].firstframe;
- if (s >= mesh->num_skins)
- s = 0;
- return mesh->data_skins + s;
- }
- else
- {
- memset(&r_aliasnotexture, 0, sizeof(r_aliasnotexture));
- r_aliasnotexture.skin.base = r_texture_notexture;
- return &r_aliasnotexture;
- }
-}
-
-static void R_DrawAliasModelCallback (const void *calldata1, int calldata2)
-{
- int c, fbbase, fbpants, fbshirt, doglow;
- float tint[3], fog, ifog, colorscale, ambientcolor4f[4], diffusecolor[3], diffusenormal[3], colorbase[3], colorpants[3], colorshirt[3];
- float *vertex3f, *normal3f;
- vec3_t diff;
- qbyte *bcolor;
- rmeshstate_t m;
- const entity_render_t *ent = calldata1;
- aliasmesh_t *mesh = ent->model->alias.aliasdata_meshes + calldata2;
- texture_t *texture;
-
- R_Mesh_Matrix(&ent->matrix);
-
- fog = 0;
- if (fogenabled)
- {
- VectorSubtract(ent->origin, r_vieworigin, diff);
- fog = DotProduct(diff,diff);
- if (fog < 0.01f)
- fog = 0.01f;
- fog = exp(fogdensity/fog);
- if (fog > 1)
- fog = 1;
- if (fog < 0.01f)
- fog = 0;
- // fog method: darken, additive fog
- // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
- // 2. render fog as additive
- }
- ifog = 1 - fog;
-
- VectorScale(ent->colormod, ifog, colorbase);
- VectorClear(colorpants);
- VectorClear(colorshirt);
- fbbase = ent->effects & EF_FULLBRIGHT;
- fbpants = fbbase;
- fbshirt = fbbase;
- if (ent->colormap >= 0)
- {
- // 128-224 are backwards ranges
- c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
- if (c >= 224)
- fbpants = true;
- bcolor = (qbyte *) (&palette_complete[c]);
- colorpants[0] = colorbase[0] * bcolor[0] * (1.0f / 255.0f);
- colorpants[1] = colorbase[1] * bcolor[1] * (1.0f / 255.0f);
- colorpants[2] = colorbase[2] * bcolor[2] * (1.0f / 255.0f);
- // 128-224 are backwards ranges
- c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
- if (c >= 224)
- fbshirt = true;
- bcolor = (qbyte *) (&palette_complete[c]);
- colorshirt[0] = colorbase[0] * bcolor[0] * (1.0f / 255.0f);
- colorshirt[1] = colorbase[1] * bcolor[1] * (1.0f / 255.0f);
- colorshirt[2] = colorbase[2] * bcolor[2] * (1.0f / 255.0f);
- }
-
- texture = R_FetchAliasSkin(ent, mesh);
-
- if ((ent->effects & EF_ADDITIVE))
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- }
- else if (texture->skin.fog || ent->alpha != 1.0)
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- GL_DepthMask(false);
- }
- else
- {
- GL_BlendFunc(GL_ONE, GL_ZERO);
- GL_DepthMask(true);
- }
- GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
- colorscale = 1.0f;
- if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
- {
- vertex3f = mesh->data_basevertex3f;
- normal3f = mesh->data_basenormal3f;
- }
- else
- {
- vertex3f = varray_vertex3f;
- Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
- normal3f = NULL;
- }
-
- doglow = texture->skin.glow != NULL;
-
- memset(&m, 0, sizeof(m));
- m.pointer_vertex = vertex3f;
- m.pointer_texcoord[0] = mesh->data_texcoord2f;
- if (gl_combine.integer)
- {
- colorscale *= 0.25f;
- m.texrgbscale[0] = 4;
- }
-
- m.tex[0] = R_GetTexture((ent->colormap >= 0 || !texture->skin.merged) ? texture->skin.base : texture->skin.merged);
- VectorScale(colorbase, colorscale, tint);
- m.pointer_color = NULL;
- if (fbbase)
- GL_Color(tint[0], tint[1], tint[2], ent->alpha);
- else if (R_LightModel(ambientcolor4f, diffusecolor, diffusenormal, ent, tint[0], tint[1], tint[2], ent->alpha, false))
- {
- m.pointer_color = varray_color4f;
- if (normal3f == NULL)
- {
- normal3f = varray_normal3f;
- Mod_BuildNormals(0, mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, normal3f);
- }
- R_LightModel_CalcVertexColors(ambientcolor4f, diffusecolor, diffusenormal, mesh->num_vertices, vertex3f, normal3f, varray_color4f);
- }
- else
- GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
- if (gl_combine.integer && doglow)
- {
- doglow = false;
- m.tex[1] = R_GetTexture(texture->skin.glow);
- m.pointer_texcoord[1] = mesh->data_texcoord2f;
- m.texcombinergb[1] = GL_ADD;
- }
- R_Mesh_State(&m);
- c_alias_polys += mesh->num_triangles;
- GL_LockArrays(0, mesh->num_vertices);
- R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
- GL_LockArrays(0, 0);
- m.tex[1] = 0;
- m.pointer_texcoord[1] = NULL;
- m.texcombinergb[1] = 0;
-
- VectorScale(colorpants, colorscale, tint);
- if (ent->colormap >= 0 && texture->skin.pants && VectorLength2(tint) >= 0.001)
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- m.tex[0] = R_GetTexture(texture->skin.pants);
- m.pointer_color = NULL;
- if (fbpants)
- GL_Color(tint[0], tint[1], tint[2], ent->alpha);
- else if (R_LightModel(ambientcolor4f, diffusecolor, diffusenormal, ent, tint[0], tint[1], tint[2], ent->alpha, false))
- {
- m.pointer_color = varray_color4f;
- if (normal3f == NULL)
- {
- normal3f = varray_normal3f;
- Mod_BuildNormals(0, mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, normal3f);
- }
- R_LightModel_CalcVertexColors(ambientcolor4f, diffusecolor, diffusenormal, mesh->num_vertices, vertex3f, normal3f, varray_color4f);
- }
- else
- GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
- R_Mesh_State(&m);
- c_alias_polys += mesh->num_triangles;
- GL_LockArrays(0, mesh->num_vertices);
- R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
- GL_LockArrays(0, 0);
- }
-
- VectorScale(colorshirt, colorscale, tint);
- if (ent->colormap >= 0 && texture->skin.shirt && VectorLength2(tint) >= 0.001)
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- m.tex[0] = R_GetTexture(texture->skin.shirt);
- m.pointer_color = NULL;
- if (fbshirt)
- GL_Color(tint[0], tint[1], tint[2], ent->alpha);
- else if (R_LightModel(ambientcolor4f, diffusecolor, diffusenormal, ent, tint[0], tint[1], tint[2], ent->alpha, false))
- {
- m.pointer_color = varray_color4f;
- if (normal3f == NULL)
- {
- normal3f = varray_normal3f;
- Mod_BuildNormals(0, mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, normal3f);
- }
- R_LightModel_CalcVertexColors(ambientcolor4f, diffusecolor, diffusenormal, mesh->num_vertices, vertex3f, normal3f, varray_color4f);
- }
- else
- GL_Color(ambientcolor4f[0], ambientcolor4f[1], ambientcolor4f[2], ambientcolor4f[3]);
- R_Mesh_State(&m);
- c_alias_polys += mesh->num_triangles;
- GL_LockArrays(0, mesh->num_vertices);
- R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
- GL_LockArrays(0, 0);
- }
-
- colorscale = 1;
- m.texrgbscale[0] = 0;
- m.pointer_color = NULL;
-
- if (doglow)
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- m.tex[0] = R_GetTexture(texture->skin.glow);
- GL_Color(1, 1, 1, ent->alpha);
- R_Mesh_State(&m);
- c_alias_polys += mesh->num_triangles;
- GL_LockArrays(0, mesh->num_vertices);
- R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
- GL_LockArrays(0, 0);
- }
-
- if (fog > 0)
- {
- GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- m.tex[0] = R_GetTexture(texture->skin.fog);
- GL_Color(fogcolor[0], fogcolor[1], fogcolor[2], fog * ent->alpha);
- R_Mesh_State(&m);
- c_alias_polys += mesh->num_triangles;
- GL_LockArrays(0, mesh->num_vertices);
- R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
- GL_LockArrays(0, 0);
- }
-}
-
-void R_Model_Alias_Draw(entity_render_t *ent)
-{
- int meshnum;
- aliasmesh_t *mesh;
- if (ent->alpha < (1.0f / 64.0f))
- return; // basically completely transparent
-
- c_models++;
-
- for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
- {
- if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchAliasSkin(ent, mesh)->skin.fog)
- R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_vieworigin : ent->origin, R_DrawAliasModelCallback, ent, meshnum);
- else
- R_DrawAliasModelCallback(ent, meshnum);
- }
-}
-
-void R_Model_Alias_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs)
-{
- int meshnum;
- aliasmesh_t *mesh;
- texture_t *texture;
- float projectdistance, *vertex3f;
- if (!(ent->flags & RENDER_SHADOW))
- return;
- // check the box in modelspace, it was already checked in worldspace
- if (!BoxesOverlap(ent->model->normalmins, ent->model->normalmaxs, lightmins, lightmaxs))
- return;
- projectdistance = lightradius + ent->model->radius;// - sqrt(DotProduct(relativelightorigin, relativelightorigin));
- if (projectdistance > 0.1)
- {
- for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
- {
- texture = R_FetchAliasSkin(ent, mesh);
- if (texture->skin.fog)
- continue;
- if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
- vertex3f = mesh->data_basevertex3f;
- else
- {
- vertex3f = varray_vertex3f;
- Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
- }
- // identify lit faces within the bounding box
- R_Shadow_PrepareShadowMark(mesh->num_triangles);
- R_Shadow_MarkVolumeFromBox(0, mesh->num_triangles, vertex3f, mesh->data_element3i, relativelightorigin, lightmins, lightmaxs, ent->model->normalmins, ent->model->normalmaxs);
- R_Shadow_VolumeFromList(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_element3i, mesh->data_neighbor3i, relativelightorigin, projectdistance, numshadowmark, shadowmarklist);
- }
- }
-}
-
-void R_Model_Alias_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist)
-{
- int c, meshnum;
- float fog, ifog, lightcolorbase[3], lightcolorpants[3], lightcolorshirt[3];
- float *vertex3f, *svector3f, *tvector3f, *normal3f;
- vec3_t diff;
- qbyte *bcolor;
- aliasmesh_t *mesh;
- texture_t *texture;
-
- fog = 0;
- if (fogenabled)
- {
- VectorSubtract(ent->origin, r_vieworigin, diff);
- fog = DotProduct(diff,diff);
- if (fog < 0.01f)
- fog = 0.01f;
- fog = exp(fogdensity/fog);
- if (fog > 1)
- fog = 1;
- if (fog < 0.01f)
- fog = 0;
- // fog method: darken, additive fog
- // 1. render model as normal, scaled by inverse of fog alpha (darkens it)
- // 2. render fog as additive
- }
- ifog = 1 - fog;
-
- VectorScale(lightcolor, ifog, lightcolorbase);
- if (VectorLength2(lightcolorbase) < 0.001)
- return;
- VectorClear(lightcolorpants);
- VectorClear(lightcolorshirt);
- if (ent->colormap >= 0)
- {
- // 128-224 are backwards ranges
- c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12;
- // fullbright passes were already taken care of, so skip them in realtime lighting passes
- if (c < 224)
- {
- bcolor = (qbyte *) (&palette_complete[c]);
- lightcolorpants[0] = lightcolorbase[0] * bcolor[0] * (1.0f / 255.0f);
- lightcolorpants[1] = lightcolorbase[1] * bcolor[1] * (1.0f / 255.0f);
- lightcolorpants[2] = lightcolorbase[2] * bcolor[2] * (1.0f / 255.0f);
- }
- // 128-224 are backwards ranges
- c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12;
- // fullbright passes were already taken care of, so skip them in realtime lighting passes
- if (c < 224)
- {
- bcolor = (qbyte *) (&palette_complete[c]);
- lightcolorshirt[0] = lightcolorbase[0] * bcolor[0] * (1.0f / 255.0f);
- lightcolorshirt[1] = lightcolorbase[1] * bcolor[1] * (1.0f / 255.0f);
- lightcolorshirt[2] = lightcolorbase[2] * bcolor[2] * (1.0f / 255.0f);
- }
- }
-
- for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++)
- {
- texture = R_FetchAliasSkin(ent, mesh);
- // FIXME: transparent skins need to be lit during the transparent render
- if (texture->skin.fog)
- continue;
- if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1)
- {
- vertex3f = mesh->data_basevertex3f;
- svector3f = mesh->data_basesvector3f;
- tvector3f = mesh->data_basetvector3f;
- normal3f = mesh->data_basenormal3f;
- }
- else
- {
- vertex3f = varray_vertex3f;
- svector3f = varray_svector3f;
- tvector3f = varray_tvector3f;
- normal3f = varray_normal3f;
- Mod_Alias_GetMesh_Vertex3f(ent->model, ent->frameblend, mesh, vertex3f);
- Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_texcoord2f, mesh->data_element3i, svector3f, tvector3f, normal3f);
- }
- c_alias_polys += mesh->num_triangles;
- R_Shadow_RenderLighting(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, lightcolorbase, lightcolorpants, lightcolorshirt, (ent->colormap >= 0 || !texture->skin.merged) ? texture->skin.base : texture->skin.merged, ent->colormap >= 0 ? texture->skin.pants : 0, ent->colormap >= 0 ? texture->skin.shirt : 0, texture->skin.nmap, texture->skin.gloss);
- }
-}
-
projects / xonotic / darkplaces.git / blobdiff