X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=gl_models.c;h=8b137891791fe96927ad78e64b0aad7bded08bdc;hb=c32e446060df3ccfcbec6fa49ab1146ae2ba7076;hp=4d5a876f82b293c75dcab11e9ddae36ecdf07e4b;hpb=1740f737276f086c2f19758f72881a20e5070b57;p=xonotic%2Fdarkplaces.git diff --git a/gl_models.c b/gl_models.c index 4d5a876f..8b137891 100644 --- a/gl_models.c +++ b/gl_models.c @@ -1,1001 +1 @@ -#include "quakedef.h" -#include "cl_collision.h" -#include "r_shadow.h" - -cvar_t r_quickmodels = {0, "r_quickmodels", "1"}; - -typedef struct -{ - float m[3][4]; -} zymbonematrix; - -// LordHavoc: vertex arrays - -float *aliasvertbuf; -float *aliasvertcolorbuf; -float *aliasvert; // this may point at aliasvertbuf or at vertex arrays in the mesh backend -float *aliasvertcolor; // this may point at aliasvertcolorbuf or at vertex arrays in the mesh backend - -float *aliasvertcolor2; -float *aliasvertnorm; -int *aliasvertusage; -zymbonematrix *zymbonepose; - -mempool_t *gl_models_mempool; - -void gl_models_start(void) -{ - // allocate vertex processing arrays - gl_models_mempool = Mem_AllocPool("GL_Models"); - aliasvert = aliasvertbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); - aliasvertcolor = aliasvertcolorbuf = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); - aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3])); - aliasvertcolor2 = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4])); // used temporarily for tinted coloring - zymbonepose = Mem_Alloc(gl_models_mempool, sizeof(zymbonematrix[256])); - aliasvertusage = Mem_Alloc(gl_models_mempool, sizeof(int[MD2MAX_VERTS])); -} - -void gl_models_shutdown(void) -{ - Mem_FreePool(&gl_models_mempool); -} - -void gl_models_newmap(void) -{ -} - -void GL_Models_Init(void) -{ - Cvar_RegisterVariable(&r_quickmodels); - - R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap); -} - -/* -void R_AliasTransformVerts(int vertcount) -{ - vec3_t point; - float *av; - av = aliasvert; - while (vertcount >= 4) - { - VectorCopy(av, point);softwaretransform(point, av);av += 4; - VectorCopy(av, point);softwaretransform(point, av);av += 4; - VectorCopy(av, point);softwaretransform(point, av);av += 4; - VectorCopy(av, point);softwaretransform(point, av);av += 4; - vertcount -= 4; - } - while(vertcount > 0) - { - VectorCopy(av, point);softwaretransform(point, av);av += 4; - vertcount--; - } -} -*/ - -void R_AliasLerpVerts(int vertcount, float *vertices, float *normals, - float lerp1, const trivertx_t *verts1, const vec3_t fscale1, const vec3_t translate1, - float lerp2, const trivertx_t *verts2, const vec3_t fscale2, const vec3_t translate2, - float lerp3, const trivertx_t *verts3, const vec3_t fscale3, const vec3_t translate3, - float lerp4, const trivertx_t *verts4, const vec3_t fscale4, const vec3_t translate4) -{ - int i; - vec3_t scale1, scale2, scale3, scale4, translate; - const float *n1, *n2, *n3, *n4; - float *av, *avn; - av = vertices; - avn = normals; - VectorScale(fscale1, lerp1, scale1); - if (lerp2) - { - VectorScale(fscale2, lerp2, scale2); - if (lerp3) - { - VectorScale(fscale3, lerp3, scale3); - if (lerp4) - { - VectorScale(fscale4, lerp4, scale4); - translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3 + translate4[0] * lerp4; - translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3 + translate4[1] * lerp4; - translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3 + translate4[2] * lerp4; - // generate vertices - for (i = 0;i < vertcount;i++) - { - av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + verts4->v[0] * scale4[0] + translate[0]; - av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + verts4->v[1] * scale4[1] + translate[1]; - av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + verts4->v[2] * scale4[2] + translate[2]; - n1 = m_bytenormals[verts1->lightnormalindex]; - n2 = m_bytenormals[verts2->lightnormalindex]; - n3 = m_bytenormals[verts3->lightnormalindex]; - n4 = m_bytenormals[verts4->lightnormalindex]; - avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3 + n4[0] * lerp4; - avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3 + n4[1] * lerp4; - avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3 + n4[2] * lerp4; - av += 4; - avn += 3; - verts1++;verts2++;verts3++;verts4++; - } - } - else - { - translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2 + translate3[0] * lerp3; - translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2 + translate3[1] * lerp3; - translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2 + translate3[2] * lerp3; - // generate vertices - for (i = 0;i < vertcount;i++) - { - av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + verts3->v[0] * scale3[0] + translate[0]; - av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + verts3->v[1] * scale3[1] + translate[1]; - av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + verts3->v[2] * scale3[2] + translate[2]; - n1 = m_bytenormals[verts1->lightnormalindex]; - n2 = m_bytenormals[verts2->lightnormalindex]; - n3 = m_bytenormals[verts3->lightnormalindex]; - avn[0] = n1[0] * lerp1 + n2[0] * lerp2 + n3[0] * lerp3; - avn[1] = n1[1] * lerp1 + n2[1] * lerp2 + n3[1] * lerp3; - avn[2] = n1[2] * lerp1 + n2[2] * lerp2 + n3[2] * lerp3; - av += 4; - avn += 3; - verts1++;verts2++;verts3++; - } - } - } - else - { - translate[0] = translate1[0] * lerp1 + translate2[0] * lerp2; - translate[1] = translate1[1] * lerp1 + translate2[1] * lerp2; - translate[2] = translate1[2] * lerp1 + translate2[2] * lerp2; - // generate vertices - for (i = 0;i < vertcount;i++) - { - av[0] = verts1->v[0] * scale1[0] + verts2->v[0] * scale2[0] + translate[0]; - av[1] = verts1->v[1] * scale1[1] + verts2->v[1] * scale2[1] + translate[1]; - av[2] = verts1->v[2] * scale1[2] + verts2->v[2] * scale2[2] + translate[2]; - n1 = m_bytenormals[verts1->lightnormalindex]; - n2 = m_bytenormals[verts2->lightnormalindex]; - avn[0] = n1[0] * lerp1 + n2[0] * lerp2; - avn[1] = n1[1] * lerp1 + n2[1] * lerp2; - avn[2] = n1[2] * lerp1 + n2[2] * lerp2; - av += 4; - avn += 3; - verts1++;verts2++; - } - } - } - else - { - translate[0] = translate1[0] * lerp1; - translate[1] = translate1[1] * lerp1; - translate[2] = translate1[2] * lerp1; - // generate vertices - if (lerp1 != 1) - { - // general but almost never used case - for (i = 0;i < vertcount;i++) - { - av[0] = verts1->v[0] * scale1[0] + translate[0]; - av[1] = verts1->v[1] * scale1[1] + translate[1]; - av[2] = verts1->v[2] * scale1[2] + translate[2]; - n1 = m_bytenormals[verts1->lightnormalindex]; - avn[0] = n1[0] * lerp1; - avn[1] = n1[1] * lerp1; - avn[2] = n1[2] * lerp1; - av += 4; - avn += 3; - verts1++; - } - } - else - { - // fast normal case - for (i = 0;i < vertcount;i++) - { - av[0] = verts1->v[0] * scale1[0] + translate[0]; - av[1] = verts1->v[1] * scale1[1] + translate[1]; - av[2] = verts1->v[2] * scale1[2] + translate[2]; - VectorCopy(m_bytenormals[verts1->lightnormalindex], avn); - av += 4; - avn += 3; - verts1++; - } - } - } -} - -skinframe_t *R_FetchSkinFrame(const entity_render_t *ent) -{ - model_t *model = ent->model; - unsigned int s = (unsigned int) ent->skinnum; - if (s >= model->numskins) - s = 0; - if (model->skinscenes[s].framecount > 1) - return &model->skinframes[model->skinscenes[s].firstframe + (int) (cl.time * 10) % model->skinscenes[s].framecount]; - else - return &model->skinframes[model->skinscenes[s].firstframe]; -} - -void R_LerpMDLMD2Vertices(const entity_render_t *ent, float *vertices, float *normals) -{ - const md2frame_t *frame1, *frame2, *frame3, *frame4; - const trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts; - const model_t *model = ent->model; - - frame1 = &model->mdlmd2data_frames[ent->frameblend[0].frame]; - frame2 = &model->mdlmd2data_frames[ent->frameblend[1].frame]; - frame3 = &model->mdlmd2data_frames[ent->frameblend[2].frame]; - frame4 = &model->mdlmd2data_frames[ent->frameblend[3].frame]; - frame1verts = &model->mdlmd2data_pose[ent->frameblend[0].frame * model->numverts]; - frame2verts = &model->mdlmd2data_pose[ent->frameblend[1].frame * model->numverts]; - frame3verts = &model->mdlmd2data_pose[ent->frameblend[2].frame * model->numverts]; - frame4verts = &model->mdlmd2data_pose[ent->frameblend[3].frame * model->numverts]; - R_AliasLerpVerts(model->numverts, vertices, normals, - ent->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate, - ent->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate, - ent->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate, - ent->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate); -} - -void R_DrawQ1Q2AliasModelCallback (const void *calldata1, int calldata2) -{ - int i, c, pantsfullbright, shirtfullbright, colormapped, tex; - float pantscolor[3], shirtcolor[3]; - float fog, colorscale; - vec3_t diff; - qbyte *bcolor; - rmeshstate_t m; - model_t *model; - skinframe_t *skinframe; - const entity_render_t *ent = calldata1; - int blendfunc1, blendfunc2; - -// softwaretransformforentity(ent); - R_Mesh_Matrix(&ent->matrix); - - fog = 0; - if (fogenabled) - { - VectorSubtract(ent->origin, r_origin, 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 - } - - model = ent->model; - R_Mesh_ResizeCheck(model->numverts); - - skinframe = R_FetchSkinFrame(ent); - - if (ent->effects & EF_ADDITIVE) - { - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE; - } - else if (ent->alpha != 1.0 || skinframe->fog != NULL) - { - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE_MINUS_SRC_ALPHA; - } - else - { - blendfunc1 = GL_ONE; - blendfunc2 = GL_ZERO; - } - - colorscale = r_colorscale; - if (gl_combine.integer) - colorscale *= 0.25f; - - if (!skinframe->base && !skinframe->pants && !skinframe->shirt && !skinframe->glow) - { - // untextured - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - if (gl_combine.integer) - m.texrgbscale[0] = 4; - m.tex[0] = R_GetTexture(r_notexture); - R_Mesh_State(&m); - - c_alias_polys += model->numtris; - for (i = 0;i < model->numverts * 2;i++) - varray_texcoord[0][i] = model->mdlmd2data_texcoords[i] * 8.0f; - aliasvert = varray_vertex; - aliasvertcolor = varray_color; - R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm); - R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false); - aliasvert = aliasvertbuf; - aliasvertcolor = aliasvertcolorbuf; - GL_UseColorArray(); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - return; - } - - - colormapped = !skinframe->merged || (ent->colormap >= 0 && skinframe->base && (skinframe->pants || skinframe->shirt)); - if (!colormapped && !fog && !skinframe->glow && !skinframe->fog) - { - // fastpath for the normal situation (one texture) - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - if (gl_combine.integer) - m.texrgbscale[0] = 4; - m.tex[0] = R_GetTexture(skinframe->merged); - R_Mesh_State(&m); - - c_alias_polys += model->numtris; - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - aliasvert = varray_vertex; - aliasvertcolor = varray_color; - R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm); - R_LightModel(ent, model->numverts, colorscale, colorscale, colorscale, false); - aliasvert = aliasvertbuf; - aliasvertcolor = aliasvertcolorbuf; - GL_UseColorArray(); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - return; - } - - R_LerpMDLMD2Vertices(ent, aliasvert, aliasvertnorm); - R_LightModel(ent, model->numverts, colorscale * (1 - fog), colorscale * (1 - fog), colorscale * (1 - fog), false); - - if (colormapped) - { - // 128-224 are backwards ranges - c = (ent->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; - bcolor = (qbyte *) (&d_8to24table[c]); - pantsfullbright = c >= 224; - VectorScale(bcolor, (1.0f / 255.0f), pantscolor); - c = (ent->colormap & 0xF0);c += (c >= 128 && c < 224) ? 4 : 12; - bcolor = (qbyte *) (&d_8to24table[c]); - shirtfullbright = c >= 224; - VectorScale(bcolor, (1.0f / 255.0f), shirtcolor); - } - else - { - pantscolor[0] = pantscolor[1] = pantscolor[2] = shirtcolor[0] = shirtcolor[1] = shirtcolor[2] = 1; - pantsfullbright = shirtfullbright = false; - } - - tex = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged); - if (tex) - { - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - if (gl_combine.integer) - m.texrgbscale[0] = 4; - m.tex[0] = tex; - R_Mesh_State(&m); - - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE; - c_alias_polys += model->numtris; - R_ModulateColors(aliasvertcolor, varray_color, model->numverts, colorscale, colorscale, colorscale); - memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4])); - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - GL_UseColorArray(); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - - if (colormapped) - { - if (skinframe->pants) - { - tex = R_GetTexture(skinframe->pants); - if (tex) - { - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - if (gl_combine.integer) - m.texrgbscale[0] = 4; - m.tex[0] = tex; - R_Mesh_State(&m); - - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE; - c_alias_polys += model->numtris; - if (pantsfullbright) - GL_Color(pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale, ent->alpha); - else - { - GL_UseColorArray(); - R_ModulateColors(aliasvertcolor, varray_color, model->numverts, pantscolor[0] * colorscale, pantscolor[1] * colorscale, pantscolor[2] * colorscale); - } - memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4])); - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - } - if (skinframe->shirt) - { - tex = R_GetTexture(skinframe->shirt); - if (tex) - { - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - if (gl_combine.integer) - m.texrgbscale[0] = 4; - m.tex[0] = tex; - R_Mesh_State(&m); - - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE; - c_alias_polys += model->numtris; - if (shirtfullbright) - GL_Color(shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale, ent->alpha); - else - { - GL_UseColorArray(); - R_ModulateColors(aliasvertcolor, varray_color, model->numverts, shirtcolor[0] * colorscale, shirtcolor[1] * colorscale, shirtcolor[2] * colorscale); - } - memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4])); - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - } - } - if (skinframe->glow) - { - tex = R_GetTexture(skinframe->glow); - if (tex) - { - memset(&m, 0, sizeof(m)); - m.blendfunc1 = blendfunc1; - m.blendfunc2 = blendfunc2; - m.tex[0] = tex; - R_Mesh_State(&m); - - blendfunc1 = GL_SRC_ALPHA; - blendfunc2 = GL_ONE; - c_alias_polys += model->numtris; - memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4])); - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - GL_Color((1 - fog) * r_colorscale, (1 - fog) * r_colorscale, (1 - fog) * r_colorscale, ent->alpha); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - } - if (fog) - { - memset(&m, 0, sizeof(m)); - m.blendfunc1 = GL_SRC_ALPHA; - m.blendfunc2 = GL_ONE; - m.tex[0] = R_GetTexture(skinframe->fog); - R_Mesh_State(&m); - - c_alias_polys += model->numtris; - memcpy(varray_vertex, aliasvert, model->numverts * sizeof(float[4])); - memcpy(varray_texcoord[0], model->mdlmd2data_texcoords, model->numverts * sizeof(float[2])); - GL_Color(fogcolor[0] * fog * r_colorscale, fogcolor[1] * fog * r_colorscale, fogcolor[2] * fog * r_colorscale, ent->alpha); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } -} - -extern cvar_t r_shadows; -void R_DrawQ1Q2AliasModelFakeShadow (entity_render_t *ent) -{ - int i; - rmeshstate_t m; - model_t *model; - float *v, planenormal[3], planedist, dist, projection[3], floororigin[3], surfnormal[3], lightdirection[3], v2[3]; - mlight_t *sl; - rdlight_t *rd; - - if (r_shadows.integer > 1) - { - float f, lightscale, lightcolor[3]; - vec3_t temp; - memset(&m, 0, sizeof(m)); - m.blendfunc1 = GL_ONE; - m.blendfunc2 = GL_ONE; - R_Mesh_State(&m); - R_Mesh_Matrix(&ent->matrix); - for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights;i++, sl++) - { - if (d_lightstylevalue[sl->style] > 0) - { - VectorSubtract(ent->origin, sl->origin, temp); - f = DotProduct(temp,temp); - if (f < (ent->model->radius2 + sl->cullradius2)) - { - model = ent->model; - R_Mesh_ResizeCheck(model->numverts * 2); - R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm); - Matrix4x4_Transform(&ent->inversematrix, sl->origin, temp); - GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1); - R_Shadow_Volume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, sl->cullradius + model->radius - sqrt(f), true); - GL_UseColorArray(); - lightscale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f); - VectorScale(sl->light, lightscale, lightcolor); - R_Shadow_VertexLight(model->numverts, aliasvertnorm, temp, sl->cullradius2, sl->distbias, sl->subtract, lightcolor); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - } - } - for (i = 0, rd = r_dlight;i < r_numdlights;i++, rd++) - { - if (ent != rd->ent) - { - VectorSubtract(ent->origin, rd->origin, temp); - f = DotProduct(temp,temp); - if (f < (ent->model->radius2 + rd->cullradius2)) - { - model = ent->model; - R_Mesh_ResizeCheck(model->numverts * 2); - R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm); - Matrix4x4_Transform(&ent->inversematrix, rd->origin, temp); - GL_Color(0.1 * r_colorscale, 0.025 * r_colorscale, 0.0125 * r_colorscale, 1); - R_Shadow_Volume(model->numverts, model->numtris, model->mdlmd2data_indices, model->mdlmd2data_triangleneighbors, temp, rd->cullradius + model->radius - sqrt(f), true); - GL_UseColorArray(); - R_Shadow_VertexLight(model->numverts, aliasvertnorm, temp, rd->cullradius2, LIGHTOFFSET, rd->subtract, rd->light); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); - } - } - } - return; - } - - lightdirection[0] = 0.5; - lightdirection[1] = 0.2; - lightdirection[2] = -1; - VectorNormalizeFast(lightdirection); - - VectorMA(ent->origin, 65536.0f, lightdirection, v2); - if (CL_TraceLine(ent->origin, v2, floororigin, surfnormal, 0, false, NULL) == 1) - return; - - R_Mesh_Matrix(&ent->matrix); - - model = ent->model; - R_Mesh_ResizeCheck(model->numverts); - - memset(&m, 0, sizeof(m)); - m.blendfunc1 = GL_SRC_ALPHA; - m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA; - R_Mesh_State(&m); - - c_alias_polys += model->numtris; - R_LerpMDLMD2Vertices(ent, varray_vertex, aliasvertnorm); - - // put a light direction in the entity's coordinate space - Matrix4x4_Transform3x3(&ent->inversematrix, lightdirection, projection); - VectorNormalizeFast(projection); - - // put the plane's normal in the entity's coordinate space - Matrix4x4_Transform3x3(&ent->inversematrix, surfnormal, planenormal); - VectorNormalizeFast(planenormal); - - // put the plane's distance in the entity's coordinate space - VectorSubtract(floororigin, ent->origin, floororigin); - planedist = DotProduct(floororigin, surfnormal) + 2; - - dist = -1.0f / DotProduct(projection, planenormal); - VectorScale(projection, dist, projection); - for (i = 0, v = varray_vertex;i < model->numverts;i++, v += 4) - { - dist = DotProduct(v, planenormal) - planedist; - if (dist > 0) - //if (i & 1) - VectorMA(v, dist, projection, v); - } - GL_Color(0, 0, 0, 0.5); - R_Mesh_Draw(model->numverts, model->numtris, model->mdlmd2data_indices); -} - -int ZymoticLerpBones(int count, const zymbonematrix *bonebase, const frameblend_t *blend, const zymbone_t *bone) -{ - int i; - float lerp1, lerp2, lerp3, lerp4; - zymbonematrix *out, rootmatrix, m; - const zymbonematrix *bone1, *bone2, *bone3, *bone4; - - /* - // LordHavoc: combine transform from zym coordinate space to quake coordinate space with model to world transform matrix - rootmatrix.m[0][0] = softwaretransform_matrix[0][1]; - rootmatrix.m[0][1] = -softwaretransform_matrix[0][0]; - rootmatrix.m[0][2] = softwaretransform_matrix[0][2]; - rootmatrix.m[0][3] = softwaretransform_matrix[0][3]; - rootmatrix.m[1][0] = softwaretransform_matrix[1][1]; - rootmatrix.m[1][1] = -softwaretransform_matrix[1][0]; - rootmatrix.m[1][2] = softwaretransform_matrix[1][2]; - rootmatrix.m[1][3] = softwaretransform_matrix[1][3]; - rootmatrix.m[2][0] = softwaretransform_matrix[2][1]; - rootmatrix.m[2][1] = -softwaretransform_matrix[2][0]; - rootmatrix.m[2][2] = softwaretransform_matrix[2][2]; - rootmatrix.m[2][3] = softwaretransform_matrix[2][3]; - */ - rootmatrix.m[0][0] = 1; - rootmatrix.m[0][1] = 0; - rootmatrix.m[0][2] = 0; - rootmatrix.m[0][3] = 0; - rootmatrix.m[1][0] = 0; - rootmatrix.m[1][1] = 1; - rootmatrix.m[1][2] = 0; - rootmatrix.m[1][3] = 0; - rootmatrix.m[2][0] = 0; - rootmatrix.m[2][1] = 0; - rootmatrix.m[2][2] = 1; - rootmatrix.m[2][3] = 0; - - bone1 = bonebase + blend[0].frame * count; - lerp1 = blend[0].lerp; - if (blend[1].lerp) - { - bone2 = bonebase + blend[1].frame * count; - lerp2 = blend[1].lerp; - if (blend[2].lerp) - { - bone3 = bonebase + blend[2].frame * count; - lerp3 = blend[2].lerp; - if (blend[3].lerp) - { - // 4 poses - bone4 = bonebase + blend[3].frame * count; - lerp4 = blend[3].lerp; - for (i = 0, out = zymbonepose;i < count;i++, out++) - { - // interpolate matrices - m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3 + bone4->m[0][0] * lerp4; - m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3 + bone4->m[0][1] * lerp4; - m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3 + bone4->m[0][2] * lerp4; - m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3 + bone4->m[0][3] * lerp4; - m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3 + bone4->m[1][0] * lerp4; - m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3 + bone4->m[1][1] * lerp4; - m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3 + bone4->m[1][2] * lerp4; - m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3 + bone4->m[1][3] * lerp4; - m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3 + bone4->m[2][0] * lerp4; - m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3 + bone4->m[2][1] * lerp4; - m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3 + bone4->m[2][2] * lerp4; - m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3 + bone4->m[2][3] * lerp4; - if (bone->parent >= 0) - R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]); - else - R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]); - bone1++; - bone2++; - bone3++; - bone4++; - bone++; - } - } - else - { - // 3 poses - for (i = 0, out = zymbonepose;i < count;i++, out++) - { - // interpolate matrices - m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2 + bone3->m[0][0] * lerp3; - m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2 + bone3->m[0][1] * lerp3; - m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2 + bone3->m[0][2] * lerp3; - m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2 + bone3->m[0][3] * lerp3; - m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2 + bone3->m[1][0] * lerp3; - m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2 + bone3->m[1][1] * lerp3; - m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2 + bone3->m[1][2] * lerp3; - m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2 + bone3->m[1][3] * lerp3; - m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2 + bone3->m[2][0] * lerp3; - m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2 + bone3->m[2][1] * lerp3; - m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2 + bone3->m[2][2] * lerp3; - m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2 + bone3->m[2][3] * lerp3; - if (bone->parent >= 0) - R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]); - else - R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]); - bone1++; - bone2++; - bone3++; - bone++; - } - } - } - else - { - // 2 poses - for (i = 0, out = zymbonepose;i < count;i++, out++) - { - // interpolate matrices - m.m[0][0] = bone1->m[0][0] * lerp1 + bone2->m[0][0] * lerp2; - m.m[0][1] = bone1->m[0][1] * lerp1 + bone2->m[0][1] * lerp2; - m.m[0][2] = bone1->m[0][2] * lerp1 + bone2->m[0][2] * lerp2; - m.m[0][3] = bone1->m[0][3] * lerp1 + bone2->m[0][3] * lerp2; - m.m[1][0] = bone1->m[1][0] * lerp1 + bone2->m[1][0] * lerp2; - m.m[1][1] = bone1->m[1][1] * lerp1 + bone2->m[1][1] * lerp2; - m.m[1][2] = bone1->m[1][2] * lerp1 + bone2->m[1][2] * lerp2; - m.m[1][3] = bone1->m[1][3] * lerp1 + bone2->m[1][3] * lerp2; - m.m[2][0] = bone1->m[2][0] * lerp1 + bone2->m[2][0] * lerp2; - m.m[2][1] = bone1->m[2][1] * lerp1 + bone2->m[2][1] * lerp2; - m.m[2][2] = bone1->m[2][2] * lerp1 + bone2->m[2][2] * lerp2; - m.m[2][3] = bone1->m[2][3] * lerp1 + bone2->m[2][3] * lerp2; - if (bone->parent >= 0) - R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]); - else - R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]); - bone1++; - bone2++; - bone++; - } - } - } - else - { - // 1 pose - if (lerp1 != 1) - { - // lerp != 1.0 - for (i = 0, out = zymbonepose;i < count;i++, out++) - { - // interpolate matrices - m.m[0][0] = bone1->m[0][0] * lerp1; - m.m[0][1] = bone1->m[0][1] * lerp1; - m.m[0][2] = bone1->m[0][2] * lerp1; - m.m[0][3] = bone1->m[0][3] * lerp1; - m.m[1][0] = bone1->m[1][0] * lerp1; - m.m[1][1] = bone1->m[1][1] * lerp1; - m.m[1][2] = bone1->m[1][2] * lerp1; - m.m[1][3] = bone1->m[1][3] * lerp1; - m.m[2][0] = bone1->m[2][0] * lerp1; - m.m[2][1] = bone1->m[2][1] * lerp1; - m.m[2][2] = bone1->m[2][2] * lerp1; - m.m[2][3] = bone1->m[2][3] * lerp1; - if (bone->parent >= 0) - R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &m.m[0][0], &out->m[0][0]); - else - R_ConcatTransforms(&rootmatrix.m[0][0], &m.m[0][0], &out->m[0][0]); - bone1++; - bone++; - } - } - else - { - // lerp == 1.0 - for (i = 0, out = zymbonepose;i < count;i++, out++) - { - if (bone->parent >= 0) - R_ConcatTransforms(&zymbonepose[bone->parent].m[0][0], &bone1->m[0][0], &out->m[0][0]); - else - R_ConcatTransforms(&rootmatrix.m[0][0], &bone1->m[0][0], &out->m[0][0]); - bone1++; - bone++; - } - } - } - return true; -} - -void ZymoticTransformVerts(int vertcount, int *bonecounts, zymvertex_t *vert) -{ - int c; - float *out = aliasvert; - zymbonematrix *matrix; - while(vertcount--) - { - c = *bonecounts++; - // FIXME: validate bonecounts at load time (must be >= 1) - // FIXME: need 4th component in origin, for how much of the translate to blend in - if (c == 1) - { - matrix = &zymbonepose[vert->bonenum]; - out[0] = vert->origin[0] * matrix->m[0][0] + vert->origin[1] * matrix->m[0][1] + vert->origin[2] * matrix->m[0][2] + matrix->m[0][3]; - out[1] = vert->origin[0] * matrix->m[1][0] + vert->origin[1] * matrix->m[1][1] + vert->origin[2] * matrix->m[1][2] + matrix->m[1][3]; - out[2] = vert->origin[0] * matrix->m[2][0] + vert->origin[1] * matrix->m[2][1] + vert->origin[2] * matrix->m[2][2] + matrix->m[2][3]; - vert++; - } - else - { - VectorClear(out); - while(c--) - { - matrix = &zymbonepose[vert->bonenum]; - out[0] += vert->origin[0] * matrix->m[0][0] + vert->origin[1] * matrix->m[0][1] + vert->origin[2] * matrix->m[0][2] + matrix->m[0][3]; - out[1] += vert->origin[0] * matrix->m[1][0] + vert->origin[1] * matrix->m[1][1] + vert->origin[2] * matrix->m[1][2] + matrix->m[1][3]; - out[2] += vert->origin[0] * matrix->m[2][0] + vert->origin[1] * matrix->m[2][1] + vert->origin[2] * matrix->m[2][2] + matrix->m[2][3]; - vert++; - } - } - out += 4; - } -} - -void ZymoticCalcNormals(int vertcount, int shadercount, int *renderlist) -{ - int a, b, c, d; - float *out, v1[3], v2[3], normal[3], s; - int *u; - // clear normals - memset(aliasvertnorm, 0, sizeof(float) * vertcount * 3); - memset(aliasvertusage, 0, sizeof(int) * vertcount); - // parse render list and accumulate surface normals - while(shadercount--) - { - d = *renderlist++; - while (d--) - { - a = renderlist[0]*4; - b = renderlist[1]*4; - c = renderlist[2]*4; - v1[0] = aliasvert[a+0] - aliasvert[b+0]; - v1[1] = aliasvert[a+1] - aliasvert[b+1]; - v1[2] = aliasvert[a+2] - aliasvert[b+2]; - v2[0] = aliasvert[c+0] - aliasvert[b+0]; - v2[1] = aliasvert[c+1] - aliasvert[b+1]; - v2[2] = aliasvert[c+2] - aliasvert[b+2]; - CrossProduct(v1, v2, normal); - VectorNormalizeFast(normal); - // add surface normal to vertices - a = renderlist[0] * 3; - aliasvertnorm[a+0] += normal[0]; - aliasvertnorm[a+1] += normal[1]; - aliasvertnorm[a+2] += normal[2]; - aliasvertusage[renderlist[0]]++; - a = renderlist[1] * 3; - aliasvertnorm[a+0] += normal[0]; - aliasvertnorm[a+1] += normal[1]; - aliasvertnorm[a+2] += normal[2]; - aliasvertusage[renderlist[1]]++; - a = renderlist[2] * 3; - aliasvertnorm[a+0] += normal[0]; - aliasvertnorm[a+1] += normal[1]; - aliasvertnorm[a+2] += normal[2]; - aliasvertusage[renderlist[2]]++; - renderlist += 3; - } - } - // FIXME: precalc this - // average surface normals - out = aliasvertnorm; - u = aliasvertusage; - while(vertcount--) - { - if (*u > 1) - { - s = ixtable[*u]; - out[0] *= s; - out[1] *= s; - out[2] *= s; - } - u++; - out += 3; - } -} - -void R_DrawZymoticModelMeshCallback (const void *calldata1, int calldata2) -{ - float fog, colorscale; - vec3_t diff; - int i, *renderlist, *elements; - zymtype1header_t *m; - rtexture_t *texture; - rmeshstate_t mstate; - const entity_render_t *ent = calldata1; - int shadernum = calldata2; - int numverts, numtriangles; - - R_Mesh_Matrix(&ent->matrix); - - // find the vertex index list and texture - m = ent->model->zymdata_header; - renderlist = (int *)(m->lump_render.start + (int) m); - for (i = 0;i < shadernum;i++) - renderlist += renderlist[0] * 3 + 1; - texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[shadernum]; - - numverts = m->numverts; - numtriangles = *renderlist++; - elements = renderlist; - R_Mesh_ResizeCheck(numverts); - - fog = 0; - if (fogenabled) - { - VectorSubtract(ent->origin, r_origin, 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 - } - - ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m)); - ZymoticTransformVerts(numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m)); - ZymoticCalcNormals(numverts, m->numshaders, (int *)(m->lump_render.start + (int) m)); - - R_LightModel(ent, numverts, 1 - fog, 1 - fog, 1 - fog, false); - - memset(&mstate, 0, sizeof(mstate)); - if (ent->effects & EF_ADDITIVE) - { - mstate.blendfunc1 = GL_SRC_ALPHA; - mstate.blendfunc2 = GL_ONE; - } - else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture)) - { - mstate.blendfunc1 = GL_SRC_ALPHA; - mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA; - } - else - { - mstate.blendfunc1 = GL_ONE; - mstate.blendfunc2 = GL_ZERO; - } - colorscale = r_colorscale; - if (gl_combine.integer) - { - mstate.texrgbscale[0] = 4; - colorscale *= 0.25f; - } - mstate.tex[0] = R_GetTexture(texture); - R_Mesh_State(&mstate); - - c_alias_polys += numtriangles; - memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4])); - R_ModulateColors(aliasvertcolor, varray_color, numverts, colorscale, colorscale, colorscale); - memcpy(varray_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2])); - GL_UseColorArray(); - R_Mesh_Draw(numverts, numtriangles, elements); - - if (fog) - { - memset(&mstate, 0, sizeof(mstate)); - mstate.blendfunc1 = GL_SRC_ALPHA; - mstate.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA; - // FIXME: need alpha mask for fogging... - //mstate.tex[0] = R_GetTexture(texture); - R_Mesh_State(&mstate); - - c_alias_polys += numtriangles; - memcpy(varray_vertex, aliasvert, numverts * sizeof(float[4])); - //memcpy(mesh_texcoord[0], (float *)(m->lump_texcoords.start + (int) m), numverts * sizeof(float[2])); - GL_Color(fogcolor[0] * r_colorscale, fogcolor[1] * r_colorscale, fogcolor[2] * r_colorscale, ent->alpha * fog); - R_Mesh_Draw(numverts, numtriangles, elements); - } -} - -void R_DrawZymoticModel (entity_render_t *ent) -{ - int i; - zymtype1header_t *m; - rtexture_t *texture; - - if (ent->alpha < (1.0f / 64.0f)) - return; // basically completely transparent - - c_models++; - - m = ent->model->zymdata_header; - for (i = 0;i < m->numshaders;i++) - { - texture = ((rtexture_t **)(m->lump_shaders.start + (int) m))[i]; - if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_TextureHasAlpha(texture)) - R_MeshQueue_AddTransparent(ent->origin, R_DrawZymoticModelMeshCallback, ent, i); - else - R_DrawZymoticModelMeshCallback(ent, i); - } -} - -void R_DrawQ1Q2AliasModel(entity_render_t *ent) -{ - if (ent->alpha < (1.0f / 64.0f)) - return; // basically completely transparent - - c_models++; - - if (ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || R_FetchSkinFrame(ent)->fog != NULL) - R_MeshQueue_AddTransparent(ent->origin, R_DrawQ1Q2AliasModelCallback, ent, 0); - else - R_DrawQ1Q2AliasModelCallback(ent, 0); -}