X-Git-Url: https://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_models.c;h=8b137891791fe96927ad78e64b0aad7bded08bdc;hp=0d7676962a00c1be0e580398cb531279149290bd;hb=61fd28b0877971a7600848ec0b15791e5765b76d;hpb=2dba8e173717f3dcde8bbd7d2d755d1e208d7158 diff --git a/gl_models.c b/gl_models.c index 0d767696..8b137891 100644 --- a/gl_models.c +++ b/gl_models.c @@ -1,361 +1 @@ -#include "quakedef.h" -#include "r_shadow.h" - -void GL_Models_Init(void) -{ -} - -aliaslayer_t r_aliasnoskinlayers[2] = {{ALIASLAYER_DIFFUSE, NULL, NULL}, {ALIASLAYER_FOG | ALIASLAYER_FORCEDRAW_IF_FIRSTPASS, NULL, NULL}}; -aliasskin_t r_aliasnoskin = {0, 2, r_aliasnoskinlayers}; -aliasskin_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 + (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 - { - r_aliasnoskinlayers[0].texture = r_notexture; - return &r_aliasnoskin; - } -} - -void R_DrawAliasModelCallback (const void *calldata1, int calldata2) -{ - int c, fullbright, layernum, firstpass; - float tint[3], fog, ifog, colorscale, ambientcolor4f[4], diffusecolor[3], diffusenormal[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; - aliaslayer_t *layer; - aliasskin_t *skin; - - 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; - - firstpass = true; - skin = R_FetchAliasSkin(ent, mesh); - - vertex3f = NULL; - normal3f = NULL; - for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++) - { - if (!(layer->flags & ALIASLAYER_FORCEDRAW_IF_FIRSTPASS) || !firstpass) - { - if (((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0) - || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0) - || ((layer->flags & ALIASLAYER_FOG) && !fogenabled) - || (layer->flags & ALIASLAYER_SPECULAR) - || ((layer->flags & ALIASLAYER_DIFFUSE) && (ent->flags & RENDER_LIGHT) && r_lightmapintensity <= 0 && !(ent->flags & RENDER_TRANSPARENT) && r_ambient.integer <= 0)) - continue; - } - if (!firstpass || (ent->effects & EF_ADDITIVE)) - { - GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); - GL_DepthMask(false); - } - else if ((skin->flags & ALIASSKIN_TRANSPARENT) || 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)); - firstpass = false; - colorscale = 1.0f; - - memset(&m, 0, sizeof(m)); - if (layer->texture != NULL) - { - m.tex[0] = R_GetTexture(layer->texture); - m.pointer_texcoord[0] = mesh->data_texcoord2f; - if (gl_combine.integer && layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR)) - { - colorscale *= 0.25f; - m.texrgbscale[0] = 4; - } - } - if (!vertex3f) - { - 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); - } - } - m.pointer_vertex = vertex3f; - - c_alias_polys += mesh->num_triangles; - if (layer->flags & ALIASLAYER_FOG) - { - colorscale *= fog; - GL_Color(fogcolor[0] * colorscale, fogcolor[1] * colorscale, fogcolor[2] * colorscale, ent->alpha); - } - else - { - fullbright = !(layer->flags & ALIASLAYER_DIFFUSE) || !(ent->flags & RENDER_LIGHT); - if (layer->flags & (ALIASLAYER_COLORMAP_PANTS | ALIASLAYER_COLORMAP_SHIRT)) - { - // 128-224 are backwards ranges - if (layer->flags & ALIASLAYER_COLORMAP_PANTS) - c = (ent->colormap & 0xF) << 4; - else //if (layer->flags & ALIASLAYER_COLORMAP_SHIRT) - c = (ent->colormap & 0xF0); - c += (c >= 128 && c < 224) ? 4 : 12; - bcolor = (qbyte *) (&palette_complete[c]); - fullbright = fullbright || c >= 224; - VectorScale(bcolor, (1.0f / 255.0f), tint); - } - else - tint[0] = tint[1] = tint[2] = 1; - tint[0] *= ent->colormod[0]; - tint[1] *= ent->colormod[1]; - tint[2] *= ent->colormod[2]; - if (!fullbright && !(ent->flags & RENDER_TRANSPARENT)) - colorscale *= r_lightmapintensity; - colorscale *= ifog; - if (fullbright) - GL_Color(tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha); - else if (R_LightModel(ambientcolor4f, diffusecolor, diffusenormal, ent, tint[0] * colorscale, tint[1] * colorscale, tint[2] * colorscale, ent->alpha, false)) - { - m.pointer_color = varray_color4f; - if (normal3f == NULL) - { - if (ent->frameblend[0].frame == 0 && ent->frameblend[0].lerp == 1) - normal3f = mesh->data_basenormal3f; - else - { - normal3f = varray_normal3f; - Mod_BuildNormals(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); - GL_LockArrays(0, mesh->num_vertices); - R_Mesh_Draw(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)->flags & ALIASSKIN_TRANSPARENT) - 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 meshnum; - vec3_t lightmins, lightmaxs; - aliasmesh_t *mesh; - aliasskin_t *skin; - float projectdistance, *vertex3f; - if (!(ent->flags & RENDER_SHADOW)) - return; - lightmins[0] = relativelightorigin[0] - lightradius; - lightmins[1] = relativelightorigin[1] - lightradius; - lightmins[2] = relativelightorigin[2] - lightradius; - lightmaxs[0] = relativelightorigin[0] + lightradius; - lightmaxs[1] = relativelightorigin[1] + lightradius; - lightmaxs[2] = relativelightorigin[2] + lightradius; - // 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) - { - R_Mesh_Matrix(&ent->matrix); - for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++) - { - skin = R_FetchAliasSkin(ent, mesh); - if (skin->flags & ALIASSKIN_TRANSPARENT) - 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, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int numsurfaces, const int *surfacelist) -{ - int c, meshnum, layernum; - float fog, ifog, lightcolor2[3], ambientscale2, diffusescale2, specularscale2; - float *vertex3f, *svector3f, *tvector3f, *normal3f; - vec3_t diff; - qbyte *bcolor; - aliasmesh_t *mesh; - aliaslayer_t *layer; - aliasskin_t *skin; - - 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; - - for (meshnum = 0, mesh = ent->model->alias.aliasdata_meshes;meshnum < ent->model->alias.aliasnum_meshes;meshnum++, mesh++) - { - skin = R_FetchAliasSkin(ent, mesh); - // FIXME: transparent skins need to be lit during the transparent render - if (skin->flags & ALIASSKIN_TRANSPARENT) - continue; - vertex3f = NULL; - svector3f = NULL; - tvector3f = NULL; - normal3f = NULL; - for (layernum = 0, layer = skin->data_layers;layernum < skin->num_layers;layernum++, layer++) - { - if (!(layer->flags & (ALIASLAYER_DIFFUSE | ALIASLAYER_SPECULAR)) - || ((layer->flags & ALIASLAYER_NODRAW_IF_NOTCOLORMAPPED) && ent->colormap < 0) - || ((layer->flags & ALIASLAYER_NODRAW_IF_COLORMAPPED) && ent->colormap >= 0)) - continue; - lightcolor2[0] = lightcolor[0] * ifog; - lightcolor2[1] = lightcolor[1] * ifog; - lightcolor2[2] = lightcolor[2] * ifog; - ambientscale2 = 0; - diffusescale2 = 0; - specularscale2 = 0; - if (layer->flags & ALIASLAYER_SPECULAR) - specularscale2 = specularscale; - if (layer->flags & ALIASLAYER_DIFFUSE) - { - if (layer->flags & ALIASLAYER_COLORMAP_PANTS) - { - // 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]); - lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f); - lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f); - lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f); - ambientscale2 = ambientscale; - diffusescale2 = diffusescale; - } - } - else if (layer->flags & ALIASLAYER_COLORMAP_SHIRT) - { - // 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]); - lightcolor2[0] *= bcolor[0] * (1.0f / 255.0f); - lightcolor2[1] *= bcolor[1] * (1.0f / 255.0f); - lightcolor2[2] *= bcolor[2] * (1.0f / 255.0f); - ambientscale2 = ambientscale; - diffusescale2 = diffusescale; - } - } - else - { - ambientscale2 = ambientscale; - diffusescale2 = diffusescale; - } - } - if (!(ambientscale2 + diffusescale2 + specularscale2) || VectorLength2(lightcolor2) <= 0.01) - continue; - c_alias_polys += mesh->num_triangles; - if (!vertex3f) - { - 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(mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_texcoord2f, mesh->data_element3i, svector3f, tvector3f, normal3f); - } - } - // TODO: make layer have ->gloss as well as ->texture, and merge specular layer for common non-colormapped case? - R_Shadow_RenderLighting(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolor2, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, layer->texture, layer->nmap, layer->texture, lightcubemap, ambientscale2, diffusescale2, specularscale2); - } - } -} -