-#include "quakedef.h"
-
-//cvar_t gl_transform = {0, "gl_transform", "1"};
-cvar_t gl_lockarrays = {0, "gl_lockarrays", "1"};
-
-typedef struct
-{
- float m[3][4];
-} zymbonematrix;
-
-// LordHavoc: vertex array
-float *aliasvert;
-float *aliasvertnorm;
-float *aliasvertcolor;
-float *aliasvertcolor2;
-zymbonematrix *zymbonepose;
-int *aliasvertusage;
-
-rmeshinfo_t aliasmeshinfo;
-
-rtexture_t *chrometexture;
-
-int arraylocked = false;
-void GL_LockArray(int first, int count)
-{
- if (gl_supportslockarrays && gl_lockarrays.integer)
- {
- qglLockArraysEXT(first, count);
- arraylocked = true;
- }
-}
-
-void GL_UnlockArray(void)
-{
- if (arraylocked)
- {
- qglUnlockArraysEXT();
- arraylocked = false;
- }
-}
-
-/*
-void GL_SetupModelTransform (vec3_t origin, vec3_t angles, vec_t scale)
-{
- glTranslatef (origin[0], origin[1], origin[2]);
-
- if (scale != 1)
- glScalef (scale, scale, scale);
- if (angles[1])
- glRotatef (angles[1], 0, 0, 1);
- if (angles[0])
- glRotatef (-angles[0], 0, 1, 0);
- if (angles[2])
- glRotatef (angles[2], 1, 0, 0);
-}
-*/
-
-rtexturepool_t *chrometexturepool;
-
-// currently unused reflection effect texture
-void makechrometexture(void)
-{
- int i;
- byte noise[64*64];
- byte data[64*64][4];
-
- fractalnoise(noise, 64, 8);
-
- // convert to RGBA data
- for (i = 0;i < 64*64;i++)
- {
- data[i][0] = data[i][1] = data[i][2] = noise[i];
- data[i][3] = 255;
- }
-
- chrometexture = R_LoadTexture (chrometexturepool, "chrometexture", 64, 64, &data[0][0], TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_PRECACHE);
-}
-
-mempool_t *gl_models_mempool;
-
-void gl_models_start(void)
-{
- // allocate vertex processing arrays
- gl_models_mempool = Mem_AllocPool("GL_Models");
- aliasvert = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
- aliasvertnorm = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][3]));
- aliasvertcolor = Mem_Alloc(gl_models_mempool, sizeof(float[MD2MAX_VERTS][4]));
- 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]));
- chrometexturepool = R_AllocTexturePool();
- makechrometexture();
-}
-
-void gl_models_shutdown(void)
-{
- R_FreeTexturePool(&chrometexturepool);
- Mem_FreePool(&gl_models_mempool);
-}
-
-void gl_models_newmap(void)
-{
-}
-
-void GL_Models_Init(void)
-{
-// Cvar_RegisterVariable(&gl_transform);
- Cvar_RegisterVariable(&gl_lockarrays);
-
- R_RegisterModule("GL_Models", gl_models_start, gl_models_shutdown, gl_models_newmap);
-}
-
-void R_AliasTransformVerts(int vertcount)
-{
- vec3_t point;
- float *av, *avn;
- av = aliasvert;
- avn = aliasvertnorm;
- while (vertcount >= 4)
- {
- VectorCopy(av, point);softwaretransform(point, av);av += 3;
- VectorCopy(av, point);softwaretransform(point, av);av += 3;
- VectorCopy(av, point);softwaretransform(point, av);av += 3;
- VectorCopy(av, point);softwaretransform(point, av);av += 3;
- VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
- VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
- VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
- VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
- vertcount -= 4;
- }
- while(vertcount > 0)
- {
- VectorCopy(av, point);softwaretransform(point, av);av += 3;
- VectorCopy(avn, point);softwaretransformdirection(point, avn);avn += 3;
- 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 += 3;
- 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 += 3;
- 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 += 3;
- 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 += 3;
- 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 += 3;
- avn += 3;
- verts1++;
- }
- }
- }
-}
-
-void R_DrawModelMesh(rtexture_t *skin, float *colors, float cred, float cgreen, float cblue)
-{
- aliasmeshinfo.tex[0] = R_GetTexture(skin);
- aliasmeshinfo.color = colors;
- if (colors == NULL)
- {
- aliasmeshinfo.cr = cred;
- aliasmeshinfo.cg = cgreen;
- aliasmeshinfo.cb = cblue;
- aliasmeshinfo.ca = currentrenderentity->alpha;
- }
-
- c_alias_polys += aliasmeshinfo.numtriangles;
- R_Mesh_Draw(&aliasmeshinfo);
-
- // leave it in a state for additional passes
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE;
-}
-
-void R_TintModel(float *in, float *out, int verts, float r, float g, float b)
-{
- int i;
- for (i = 0;i < verts;i++)
- {
- out[0] = in[0] * r;
- out[1] = in[1] * g;
- out[2] = in[2] * b;
- out[3] = in[3];
- in += 4;
- out += 4;
- }
-}
-
-void R_SetupMDLMD2Frames(skinframe_t **skinframe)
-{
- md2frame_t *frame1, *frame2, *frame3, *frame4;
- trivertx_t *frame1verts, *frame2verts, *frame3verts, *frame4verts;
- model_t *model;
- model = currentrenderentity->model;
-
- if (model->skinscenes[currentrenderentity->skinnum].framecount > 1)
- *skinframe = &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe + (int) (cl.time * 10) % model->skinscenes[currentrenderentity->skinnum].framecount];
- else
- *skinframe = &model->skinframes[model->skinscenes[currentrenderentity->skinnum].firstframe];
-
- frame1 = &model->mdlmd2data_frames[currentrenderentity->frameblend[0].frame];
- frame2 = &model->mdlmd2data_frames[currentrenderentity->frameblend[1].frame];
- frame3 = &model->mdlmd2data_frames[currentrenderentity->frameblend[2].frame];
- frame4 = &model->mdlmd2data_frames[currentrenderentity->frameblend[3].frame];
- frame1verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[0].frame * model->numverts];
- frame2verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[1].frame * model->numverts];
- frame3verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[2].frame * model->numverts];
- frame4verts = &model->mdlmd2data_pose[currentrenderentity->frameblend[3].frame * model->numverts];
- R_AliasLerpVerts(model->numverts,
- currentrenderentity->frameblend[0].lerp, frame1verts, frame1->scale, frame1->translate,
- currentrenderentity->frameblend[1].lerp, frame2verts, frame2->scale, frame2->translate,
- currentrenderentity->frameblend[2].lerp, frame3verts, frame3->scale, frame3->translate,
- currentrenderentity->frameblend[3].lerp, frame4verts, frame4->scale, frame4->translate);
- R_AliasTransformVerts(model->numverts);
-
- R_LightModel(model->numverts);
-}
-
-void R_DrawQ1AliasModel (void)
-{
- float fog;
- vec3_t diff;
- model_t *model;
- skinframe_t *skinframe;
-
- model = currentrenderentity->model;
-
- R_SetupMDLMD2Frames(&skinframe);
-
- memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
-
- aliasmeshinfo.vertex = aliasvert;
- aliasmeshinfo.vertexstep = sizeof(float[3]);
- aliasmeshinfo.numverts = model->numverts;
- aliasmeshinfo.numtriangles = model->numtris;
- aliasmeshinfo.index = model->mdldata_indices;
- aliasmeshinfo.colorstep = sizeof(float[4]);
- aliasmeshinfo.texcoords[0] = model->mdldata_texcoords;
- aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
-
- fog = 0;
- if (fogenabled)
- {
- VectorSubtract(currentrenderentity->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
- }
-
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- aliasmeshinfo.transparent = true;
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE;
- }
- else if (currentrenderentity->alpha != 1.0 || skinframe->fog != NULL)
- {
- aliasmeshinfo.transparent = true;
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- aliasmeshinfo.transparent = false;
- aliasmeshinfo.blendfunc1 = GL_ONE;
- aliasmeshinfo.blendfunc2 = GL_ZERO;
- }
-
- // darken source
- if (fog)
- R_TintModel(aliasvertcolor, aliasvertcolor, model->numverts, 1 - fog, 1 - fog, 1 - fog);
-
- if (skinframe->base || skinframe->pants || skinframe->shirt || skinframe->glow || skinframe->merged)
- {
- if (currentrenderentity->colormap >= 0 && (skinframe->base || skinframe->pants || skinframe->shirt))
- {
- int c;
- byte *color;
- if (skinframe->base)
- R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
- if (skinframe->pants)
- {
- c = (currentrenderentity->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
- color = (byte *) (&d_8to24table[c]);
- if (c >= 224) // fullbright ranges
- R_DrawModelMesh(skinframe->pants, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
- else
- {
- R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
- R_DrawModelMesh(skinframe->pants, aliasvertcolor2, 0, 0, 0);
- }
- }
- if (skinframe->shirt)
- {
- c = currentrenderentity->colormap & 0xF0 ;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
- color = (byte *) (&d_8to24table[c]);
- if (c >= 224) // fullbright ranges
- R_DrawModelMesh(skinframe->shirt, NULL, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
- else
- {
- R_TintModel(aliasvertcolor, aliasvertcolor2, model->numverts, color[0] * (1.0f / 255.0f), color[1] * (1.0f / 255.0f), color[2] * (1.0f / 255.0f));
- R_DrawModelMesh(skinframe->shirt, aliasvertcolor2, 0, 0, 0);
- }
- }
- }
- else
- {
- if (skinframe->merged)
- R_DrawModelMesh(skinframe->merged, aliasvertcolor, 0, 0, 0);
- else
- {
- if (skinframe->base) R_DrawModelMesh(skinframe->base, aliasvertcolor, 0, 0, 0);
- if (skinframe->pants) R_DrawModelMesh(skinframe->pants, aliasvertcolor, 0, 0, 0);
- if (skinframe->shirt) R_DrawModelMesh(skinframe->shirt, aliasvertcolor, 0, 0, 0);
- }
- }
- if (skinframe->glow) R_DrawModelMesh(skinframe->glow, NULL, 1 - fog, 1 - fog, 1 - fog);
- }
- else
- R_DrawModelMesh(0, NULL, 1 - fog, 1 - fog, 1 - fog);
-
- if (fog)
- {
- aliasmeshinfo.tex[0] = R_GetTexture(skinframe->fog);
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE;
- aliasmeshinfo.color = NULL;
-
- aliasmeshinfo.cr = fogcolor[0];
- aliasmeshinfo.cg = fogcolor[1];
- aliasmeshinfo.cb = fogcolor[2];
- aliasmeshinfo.ca = currentrenderentity->alpha * fog;
-
- c_alias_polys += aliasmeshinfo.numtriangles;
- R_Mesh_Draw(&aliasmeshinfo);
- }
-}
-
-void R_DrawQ2AliasModel (void)
-{
- int *order, count;
- vec3_t diff;
- skinframe_t *skinframe;
- model_t *model;
-
- model = currentrenderentity->model;
-
- R_SetupMDLMD2Frames(&skinframe);
-
- if (!r_render.integer)
- return;
-
- // FIXME FIXME FIXME rewrite loader to convert to triangle mesh
- glBindTexture(GL_TEXTURE_2D, R_GetTexture(skinframe->base));
-
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE); // additive rendering
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else if (currentrenderentity->alpha != 1.0 || R_TextureHasAlpha(skinframe->base))
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else
- {
- glDisable(GL_BLEND);
- glDepthMask(1);
- }
-
- // LordHavoc: big mess...
- // using vertex arrays only slightly, although it is enough to prevent duplicates
- // (saving half the transforms)
- glVertexPointer(3, GL_FLOAT, sizeof(float[3]), aliasvert);
- glColorPointer(4, GL_FLOAT, sizeof(float[4]), aliasvertcolor);
- glEnableClientState(GL_VERTEX_ARRAY);
- glEnableClientState(GL_COLOR_ARRAY);
-
- GL_LockArray(0, model->numverts);
-
- order = model->md2data_glcmds;
- while(1)
- {
- if (!(count = *order++))
- break;
- if (count > 0)
- glBegin(GL_TRIANGLE_STRIP);
- else
- {
- glBegin(GL_TRIANGLE_FAN);
- count = -count;
- }
- do
- {
- glTexCoord2f(((float *)order)[0], ((float *)order)[1]);
- glArrayElement(order[2]);
- order += 3;
- }
- while (count--);
- }
-
- GL_UnlockArray();
-
- glDisableClientState(GL_COLOR_ARRAY);
- glDisableClientState(GL_VERTEX_ARRAY);
-
- if (fogenabled)
- {
- glDisable (GL_TEXTURE_2D);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glDepthMask(0); // disable zbuffer updates
-
- VectorSubtract(currentrenderentity->origin, r_origin, diff);
- glColor4f(fogcolor[0], fogcolor[1], fogcolor[2], currentrenderentity->alpha * exp(fogdensity/DotProduct(diff,diff)));
-
- // LordHavoc: big mess...
- // using vertex arrays only slightly, although it is enough to prevent duplicates
- // (saving half the transforms)
- glVertexPointer(3, GL_FLOAT, sizeof(float[3]), aliasvert);
- glEnableClientState(GL_VERTEX_ARRAY);
-
- GL_LockArray(0, model->numverts);
-
- order = model->md2data_glcmds;
- while(1)
- {
- if (!(count = *order++))
- break;
- if (count > 0)
- glBegin(GL_TRIANGLE_STRIP);
- else
- {
- glBegin(GL_TRIANGLE_FAN);
- count = -count;
- }
- do
- {
- glArrayElement(order[2]);
- order += 3;
- }
- while (count--);
- }
-
- GL_UnlockArray();
-
- glDisableClientState(GL_VERTEX_ARRAY);
-
- glEnable (GL_TEXTURE_2D);
- glColor3f (1,1,1);
- }
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glDepthMask(1);
-}
-
-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;
-
- /*
- m.m[0][0] = 0;
- m.m[0][1] = -1;
- m.m[0][2] = 0;
- m.m[0][3] = 0;
- m.m[1][0] = 1;
- m.m[1][1] = 0;
- m.m[1][2] = 0;
- m.m[1][3] = 0;
- m.m[2][0] = 0;
- m.m[2][1] = 0;
- m.m[2][2] = 1;
- m.m[2][3] = 0;
- R_ConcatTransforms(&softwaretransform_matrix[0], &m.m[0], &rootmatrix.m[0]);
- */
-
- // 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], &m.m[0], &out->m[0]);
- else
- R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[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], &m.m[0], &out->m[0]);
- else
- R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[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], &m.m[0], &out->m[0]);
- else
- R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[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], &m.m[0], &out->m[0]);
- else
- R_ConcatTransforms(&rootmatrix.m[0], &m.m[0], &out->m[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], &bone1->m[0], &out->m[0]);
- else
- R_ConcatTransforms(&rootmatrix.m[0], &bone1->m[0], &out->m[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 += 3;
- }
-}
-
-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]*3;
- b = renderlist[1]*3;
- c = renderlist[2]*3;
- 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
- aliasvertnorm[a+0] += normal[0];
- aliasvertnorm[a+1] += normal[1];
- aliasvertnorm[a+2] += normal[2];
- aliasvertusage[renderlist[0]]++;
- aliasvertnorm[b+0] += normal[0];
- aliasvertnorm[b+1] += normal[1];
- aliasvertnorm[b+2] += normal[2];
- aliasvertusage[renderlist[1]]++;
- aliasvertnorm[c+0] += normal[0];
- aliasvertnorm[c+1] += normal[1];
- aliasvertnorm[c+2] += normal[2];
- aliasvertusage[renderlist[2]]++;
- renderlist += 3;
- }
- }
- // 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_DrawZymoticModelMesh(zymtype1header_t *m)
-{
- int i, *renderlist;
- rtexture_t **texture;
-
- // FIXME: do better fog
- renderlist = (int *)(m->lump_render.start + (int) m);
- texture = (rtexture_t **)(m->lump_shaders.start + (int) m);
-
- aliasmeshinfo.vertex = aliasvert;
- aliasmeshinfo.vertexstep = sizeof(float[3]);
- aliasmeshinfo.color = aliasvertcolor;
- aliasmeshinfo.colorstep = sizeof(float[4]);
- aliasmeshinfo.texcoords[0] = (float *)(m->lump_texcoords.start + (int) m);
- aliasmeshinfo.texcoordstep[0] = sizeof(float[2]);
-
- for (i = 0;i < m->numshaders;i++)
- {
- aliasmeshinfo.tex[0] = R_GetTexture(texture[i]);
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- aliasmeshinfo.transparent = true;
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE;
- }
- else if (currentrenderentity->alpha != 1.0 || R_TextureHasAlpha(texture[i]))
- {
- aliasmeshinfo.transparent = true;
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- aliasmeshinfo.transparent = false;
- aliasmeshinfo.blendfunc1 = GL_ONE;
- aliasmeshinfo.blendfunc2 = GL_ZERO;
- }
- aliasmeshinfo.numtriangles = *renderlist++;
- aliasmeshinfo.index = renderlist;
- c_alias_polys += aliasmeshinfo.numtriangles;
- R_Mesh_Draw(&aliasmeshinfo);
- renderlist += aliasmeshinfo.numtriangles * 3;
- }
-}
-
-void R_DrawZymoticModelMeshFog(vec3_t org, zymtype1header_t *m)
-{
- int i, *renderlist;
- vec3_t diff;
-
- // FIXME: do better fog
- renderlist = (int *)(m->lump_render.start + (int) m);
-
- aliasmeshinfo.tex[0] = 0;
- aliasmeshinfo.blendfunc1 = GL_SRC_ALPHA;
- aliasmeshinfo.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
-
- VectorSubtract(org, r_origin, diff);
- aliasmeshinfo.cr = fogcolor[0];
- aliasmeshinfo.cg = fogcolor[1];
- aliasmeshinfo.cb = fogcolor[2];
- aliasmeshinfo.ca = currentrenderentity->alpha * exp(fogdensity/DotProduct(diff,diff));
-
- for (i = 0;i < m->numshaders;i++)
- {
- aliasmeshinfo.numtriangles = *renderlist++;
- aliasmeshinfo.index = renderlist;
- c_alias_polys += aliasmeshinfo.numtriangles;
- R_Mesh_Draw(&aliasmeshinfo);
- renderlist += aliasmeshinfo.numtriangles * 3;
- }
-}
-
-void R_DrawZymoticModel (void)
-{
- zymtype1header_t *m;
-
- // FIXME: do better fog
- m = currentrenderentity->model->zymdata_header;
- ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), currentrenderentity->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(m->numverts);
-
- memset(&aliasmeshinfo, 0, sizeof(aliasmeshinfo));
- aliasmeshinfo.numverts = m->numverts;
-
- R_DrawZymoticModelMesh(m);
-
- if (fogenabled)
- R_DrawZymoticModelMeshFog(currentrenderentity->origin, m);
-}
-
-void R_DrawAliasModel (void)
-{
- if (currentrenderentity->alpha < (1.0f / 64.0f))
- return; // basically completely transparent
-
- c_models++;
-
- softwaretransformforentity(currentrenderentity);
-
- if (currentrenderentity->model->aliastype == ALIASTYPE_ZYM)
- R_DrawZymoticModel();
- else if (currentrenderentity->model->aliastype == ALIASTYPE_MD2)
- R_DrawQ2AliasModel();
- else
- R_DrawQ1AliasModel();
-}
projects / xonotic / darkplaces.git / blobdiff