-#include "quakedef.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 lerp1, trivertx_t *verts1, vec3_t fscale1, vec3_t translate1,
- float lerp2, trivertx_t *verts2, vec3_t fscale2, vec3_t translate2,
- float lerp3, trivertx_t *verts3, vec3_t fscale3, vec3_t translate3,
- float lerp4, trivertx_t *verts4, vec3_t fscale4, vec3_t translate4)
-{
- int i;
- vec3_t scale1, scale2, scale3, scale4, translate;
- float *n1, *n2, *n3, *n4;
- float *av, *avn;
- av = aliasvert;
- avn = aliasvertnorm;
- 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(entity_render_t *ent)
-{
- model_t *model = ent->model;
- if (model->skinscenes[ent->skinnum].framecount > 1)
- return &model->skinframes[model->skinscenes[ent->skinnum].firstframe + (int) (cl.time * 10) % model->skinscenes[ent->skinnum].framecount];
- else
- return &model->skinframes[model->skinscenes[ent->skinnum].firstframe];
-}
-
-void R_SetupMDLMD2Frames(entity_render_t *ent, float colorr, float colorg, float colorb)
-{
- md2frame_t *frame1, *frame2, *frame3, *frame4;
- trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
- model_t *model;
- 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,
- 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);
-
- R_LightModel(ent, model->numverts, colorr, colorg, colorb, false);
-
- R_AliasTransformVerts(model->numverts);
-}
-
-void R_DrawQ1Q2AliasModelCallback (void *calldata1, int calldata2)
-{
- int c, pantsfullbright, shirtfullbright, colormapped;
- float pantscolor[3], shirtcolor[3];
- float fog;
- vec3_t diff;
- qbyte *bcolor;
- rmeshbufferinfo_t m;
- model_t *model;
- skinframe_t *skinframe;
- entity_render_t *ent;
-
- ent = calldata1;
- softwaretransformforentity(ent);
-
- 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;
-
- skinframe = R_FetchSkinFrame(ent);
-
- 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));
- if (ent->effects & EF_ADDITIVE)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- }
- else if (ent->alpha != 1.0 || skinframe->fog != NULL)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = R_GetTexture(skinframe->merged);
-
- c_alias_polys += m.numtriangles;
- if (R_Mesh_Draw_GetBuffer(&m, true))
- {
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
-
- aliasvert = m.vertex;
- aliasvertcolor = m.color;
- R_SetupMDLMD2Frames(ent, m.colorscale * (1 - fog), m.colorscale * (1 - fog), m.colorscale * (1 - fog));
- aliasvert = aliasvertbuf;
- aliasvertcolor = aliasvertcolorbuf;
-
- R_Mesh_Render();
- }
- return;
- }
-
- R_SetupMDLMD2Frames(ent, 1 - fog, 1 - fog, 1 - fog);
-
- 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;
- }
-
- memset(&m, 0, sizeof(m));
- if (ent->effects & EF_ADDITIVE)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- }
- else if (ent->alpha != 1.0 || skinframe->fog != NULL)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = colormapped ? R_GetTexture(skinframe->base) : R_GetTexture(skinframe->merged);
- if (R_Mesh_Draw_GetBuffer(&m, true))
- {
- c_alias_polys += m.numtriangles;
- R_ModulateColors(aliasvertcolor, m.color, m.numverts, m.colorscale, m.colorscale, m.colorscale);
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
-
- if (colormapped)
- {
- if (skinframe->pants)
- {
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = R_GetTexture(skinframe->pants);
- if (R_Mesh_Draw_GetBuffer(&m, true))
- {
- c_alias_polys += m.numtriangles;
- if (pantsfullbright)
- R_FillColors(m.color, m.numverts, pantscolor[0] * m.colorscale, pantscolor[1] * m.colorscale, pantscolor[2] * m.colorscale, ent->alpha);
- else
- R_ModulateColors(aliasvertcolor, m.color, m.numverts, pantscolor[0] * m.colorscale, pantscolor[1] * m.colorscale, pantscolor[2] * m.colorscale);
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
- }
- if (skinframe->shirt)
- {
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = R_GetTexture(skinframe->shirt);
- if (R_Mesh_Draw_GetBuffer(&m, true))
- {
- c_alias_polys += m.numtriangles;
- if (shirtfullbright)
- R_FillColors(m.color, m.numverts, shirtcolor[0] * m.colorscale, shirtcolor[1] * m.colorscale, shirtcolor[2] * m.colorscale, ent->alpha);
- else
- R_ModulateColors(aliasvertcolor, m.color, m.numverts, shirtcolor[0] * m.colorscale, shirtcolor[1] * m.colorscale, shirtcolor[2] * m.colorscale);
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
- }
- }
- if (skinframe->glow)
- {
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = R_GetTexture(skinframe->glow);
- if (R_Mesh_Draw_GetBuffer(&m, true))
- {
- c_alias_polys += m.numtriangles;
- R_FillColors(m.color, m.numverts, (1 - fog) * m.colorscale, (1 - fog) * m.colorscale, (1 - fog) * m.colorscale, ent->alpha);
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
- }
- if (fog)
- {
- memset(&m, 0, sizeof(m));
- m.transparent = ent->effects & EF_ADDITIVE || ent->alpha != 1.0 || skinframe->fog != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = model->numtris;
- m.numverts = model->numverts;
- m.tex[0] = R_GetTexture(skinframe->fog);
- if (R_Mesh_Draw_GetBuffer(&m, false))
- {
- c_alias_polys += m.numtriangles;
- R_FillColors(m.color, m.numverts, fog * m.colorscale, fog * m.colorscale, fog * m.colorscale, ent->alpha);
- memcpy(m.index, model->mdlmd2data_indices, m.numtriangles * sizeof(int[3]));
- memcpy(m.vertex, aliasvert, m.numverts * sizeof(float[4]));
- memcpy(m.texcoords[0], model->mdlmd2data_texcoords, m.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
- }
-}
-
-int ZymoticLerpBones(int count, zymbonematrix *bonebase, frameblend_t *blend, zymbone_t *bone)
-{
- int i;
- float lerp1, lerp2, lerp3, lerp4;
- zymbonematrix *out, rootmatrix, m, *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];
-
- 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 (void *calldata1, int calldata2)
-{
- float fog;
- vec3_t diff;
- int i, *renderlist;
- zymtype1header_t *m;
- rtexture_t *texture;
- rmeshbufferinfo_t mbuf;
- entity_render_t *ent;
- int shadernum;
-
- ent = calldata1;
- shadernum = calldata2;
-
- // 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];
-
- 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
- }
-
- softwaretransformforentity(ent);
- ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), ent->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m));
- ZymoticTransformVerts(m->numverts, (int *)(m->lump_vertbonecounts.start + (int) m), (zymvertex_t *)(m->lump_verts.start + (int) m));
- ZymoticCalcNormals(m->numverts, m->numshaders, (int *)(m->lump_render.start + (int) m));
-
- R_LightModel(ent, m->numverts, 1 - fog, 1 - fog, 1 - fog, true);
-
- memset(&mbuf, 0, sizeof(mbuf));
- mbuf.numverts = m->numverts;
- mbuf.numtriangles = renderlist[0];
- mbuf.transparent = false;
- if (ent->effects & EF_ADDITIVE)
- {
- mbuf.blendfunc1 = GL_SRC_ALPHA;
- mbuf.blendfunc2 = GL_ONE;
- }
- else if (ent->alpha != 1.0 || R_TextureHasAlpha(texture))
- {
- mbuf.blendfunc1 = GL_SRC_ALPHA;
- mbuf.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- mbuf.blendfunc1 = GL_ONE;
- mbuf.blendfunc2 = GL_ZERO;
- }
- mbuf.tex[0] = R_GetTexture(texture);
- if (R_Mesh_Draw_GetBuffer(&mbuf, true))
- {
- c_alias_polys += mbuf.numtriangles;
- memcpy(mbuf.index, renderlist + 1, mbuf.numtriangles * sizeof(int[3]));
- memcpy(mbuf.vertex, aliasvert, mbuf.numverts * sizeof(float[4]));
- R_ModulateColors(aliasvertcolor, mbuf.color, mbuf.numverts, mbuf.colorscale, mbuf.colorscale, mbuf.colorscale);
- //memcpy(mbuf.color, aliasvertcolor, mbuf.numverts * sizeof(float[4]));
- memcpy(mbuf.texcoords[0], (float *)(m->lump_texcoords.start + (int) m), mbuf.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
-
- if (fog)
- {
- memset(&mbuf, 0, sizeof(mbuf));
- mbuf.numverts = m->numverts;
- mbuf.numtriangles = renderlist[0];
- mbuf.transparent = false;
- mbuf.blendfunc1 = GL_SRC_ALPHA;
- mbuf.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- // FIXME: need alpha mask for fogging...
- //mbuf.tex[0] = R_GetTexture(texture);
- if (R_Mesh_Draw_GetBuffer(&mbuf, false))
- {
- c_alias_polys += mbuf.numtriangles;
- memcpy(mbuf.index, renderlist + 1, mbuf.numtriangles * sizeof(int[3]));
- memcpy(mbuf.vertex, aliasvert, mbuf.numverts * sizeof(float[4]));
- R_FillColors(mbuf.color, mbuf.numverts, fogcolor[0] * mbuf.colorscale, fogcolor[1] * mbuf.colorscale, fogcolor[2] * mbuf.colorscale, ent->alpha * fog);
- //memcpy(mbuf.texcoords[0], (float *)(m->lump_texcoords.start + (int) m), mbuf.numverts * sizeof(float[2]));
- R_Mesh_Render();
- }
- }
-}
-
-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_MeshQueue_Add(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_MeshQueue_Add(R_DrawQ1Q2AliasModelCallback, ent, 0);
-}
-
projects / xonotic / darkplaces.git / blobdiff