-#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;
-byte *aliasvertcolor;
-byte *aliasvertcolor2;
-zymbonematrix *zymbonepose;
-int *aliasvertusage;
-
-rtexture_t *chrometexture;
-
-int arraylocked = false;
-void GL_LockArray(int first, int count)
-{
- if (gl_supportslockarrays && gl_lockarrays.value)
- {
- 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);
-}
-
-// 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 ("chrometexture", 64, 64, &data[0][0], TEXF_MIPMAP | TEXF_RGBA | TEXF_PRECACHE);
-}
-
-void gl_models_start(void)
-{
- // allocate vertex processing arrays
- aliasvert = qmalloc(sizeof(float[MD2MAX_VERTS][3]));
- aliasvertnorm = qmalloc(sizeof(float[MD2MAX_VERTS][3]));
- aliasvertcolor = qmalloc(sizeof(byte[MD2MAX_VERTS][4]));
- aliasvertcolor2 = qmalloc(sizeof(byte[MD2MAX_VERTS][4])); // used temporarily for tinted coloring
- zymbonepose = qmalloc(sizeof(zymbonematrix[256]));
- aliasvertusage = qmalloc(sizeof(int[MD2MAX_VERTS]));
- makechrometexture();
-}
-
-void gl_models_shutdown(void)
-{
- qfree(aliasvert);
- qfree(aliasvertnorm);
- qfree(aliasvertcolor);
- qfree(aliasvertcolor2);
- qfree(zymbonepose);
- qfree(aliasvertusage);
-}
-
-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)
-{
- int i;
- vec3_t point, matrix_x, matrix_y, matrix_z;
- float *av, *avn;
- av = aliasvert;
- avn = aliasvertnorm;
- matrix_x[0] = softwaretransform_x[0] * softwaretransform_scale;
- matrix_x[1] = softwaretransform_y[0] * softwaretransform_scale;
- matrix_x[2] = softwaretransform_z[0] * softwaretransform_scale;
- matrix_y[0] = softwaretransform_x[1] * softwaretransform_scale;
- matrix_y[1] = softwaretransform_y[1] * softwaretransform_scale;
- matrix_y[2] = softwaretransform_z[1] * softwaretransform_scale;
- matrix_z[0] = softwaretransform_x[2] * softwaretransform_scale;
- matrix_z[1] = softwaretransform_y[2] * softwaretransform_scale;
- matrix_z[2] = softwaretransform_z[2] * softwaretransform_scale;
- for (i = 0;i < vertcount;i++)
- {
- // rotate, scale, and translate the vertex locations
- VectorCopy(av, point);
- av[0] = DotProduct(point, matrix_x) + softwaretransform_offset[0];
- av[1] = DotProduct(point, matrix_y) + softwaretransform_offset[1];
- av[2] = DotProduct(point, matrix_z) + softwaretransform_offset[2];
- // rotate the normals
- VectorCopy(avn, point);
- avn[0] = point[0] * softwaretransform_x[0] + point[1] * softwaretransform_y[0] + point[2] * softwaretransform_z[0];
- avn[1] = point[0] * softwaretransform_x[1] + point[1] * softwaretransform_y[1] + point[2] * softwaretransform_z[1];
- avn[2] = point[0] * softwaretransform_x[2] + point[1] * softwaretransform_y[2] + point[2] * softwaretransform_z[2];
- av += 3;
- avn += 3;
- }
-}
-
-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 GL_DrawModelMesh(rtexture_t *skin, byte *colors, maliashdr_t *m)
-{
- if (!r_render.value)
- return;
- glBindTexture(GL_TEXTURE_2D, R_GetTexture(skin));
- if (!colors)
- {
- if (lighthalf)
- glColor3f(0.5f, 0.5f, 0.5f);
- else
- glColor3f(1.0f, 1.0f, 1.0f);
- }
- if (colors)
- {
- glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(byte[4]), colors);
- glEnableClientState(GL_COLOR_ARRAY);
- }
-
- glDrawElements(GL_TRIANGLES, m->numtris * 3, GL_UNSIGNED_SHORT, (void *)((int) m + m->tridata));
-
- if (colors)
- glDisableClientState(GL_COLOR_ARRAY);
- // leave it in a state for additional passes
- glDepthMask(0);
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE); // additive
-}
-
-void R_TintModel(byte *in, byte *out, int verts, byte *color)
-{
- int i;
- byte r = color[0];
- byte g = color[1];
- byte b = color[2];
- for (i = 0;i < verts;i++)
- {
- out[0] = (byte) ((in[0] * r) >> 8);
- out[1] = (byte) ((in[1] * g) >> 8);
- out[2] = (byte) ((in[2] * b) >> 8);
- out[3] = in[3];
- in += 4;
- out += 4;
- }
-}
-
-/*
-=================
-R_DrawAliasFrame
-
-=================
-*/
-void R_DrawAliasFrame (void)
-{
- maliashdr_t *m = Mod_Extradata(currentrenderentity->model);
-// int *skinanimrange = (int *) (currentrenderentity->model->skinanimrange + (int) modelheader) + skin * 2;
-// int *skinanim = (int *) (currentrenderentity->model->skinanim + (int) modelheader);
- int *skinanimrange = currentrenderentity->model->skinanimrange;
- int skin;
- rtexture_t **skinanim = currentrenderentity->model->skinanim;
- rtexture_t **skinset;
-
- skinanimrange += currentrenderentity->skinnum * 2;
- skin = skinanimrange[0];
- if (skinanimrange[1] > 1) // animated
- skin += (int) (cl.time * 10) % skinanimrange[1];
- skinset = skinanim + skin * 5;
-
- if (gl_transform.value)
- {
- if (r_render.value)
- {
- glPushMatrix();
- GL_SetupModelTransform(currentrenderentity->origin, currentrenderentity->angles, currentrenderentity->scale);
- }
- }
- // always needed, for model lighting
- softwaretransformforentity(currentrenderentity);
-
- R_AliasLerpVerts(m->numverts,
- currentrenderentity->frameblend[0].lerp, ((trivertx_t *)((int) m + m->posedata)) + currentrenderentity->frameblend[0].frame * m->numverts, m->scale, m->scale_origin,
- currentrenderentity->frameblend[1].lerp, ((trivertx_t *)((int) m + m->posedata)) + currentrenderentity->frameblend[1].frame * m->numverts, m->scale, m->scale_origin,
- currentrenderentity->frameblend[2].lerp, ((trivertx_t *)((int) m + m->posedata)) + currentrenderentity->frameblend[2].frame * m->numverts, m->scale, m->scale_origin,
- currentrenderentity->frameblend[3].lerp, ((trivertx_t *)((int) m + m->posedata)) + currentrenderentity->frameblend[3].frame * m->numverts, m->scale, m->scale_origin);
-
- if (!gl_transform.value)
- R_AliasTransformVerts(m->numverts);
-
- // prep the vertex array as early as possible
- if (r_render.value)
- {
- glVertexPointer(3, GL_FLOAT, sizeof(float[3]), aliasvert);
- glEnableClientState(GL_VERTEX_ARRAY);
- glTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), (void *)((int) m->texdata + (int) m));
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
- GL_LockArray(0, m->numverts);
- }
-
- R_LightModel(m->numverts);
-
- if (!r_render.value)
- return;
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-// glShadeModel(GL_SMOOTH);
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE); // additive rendering
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else if (currentrenderentity->alpha != 1.0 || (currentrenderentity->model->flags2 & MODF_TRANSPARENT))
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else
- {
- glDisable(GL_BLEND);
- glDepthMask(1);
- }
-
- if (skinset[0] || skinset[1] || skinset[2] || skinset[3] || skinset[4])
- {
- if (currentrenderentity->colormap >= 0 && (skinset[0] || skinset[1] || skinset[2]))
- {
- int c;
- if (skinset[0])
- GL_DrawModelMesh(skinset[0], aliasvertcolor, m);
- if (skinset[1])
- {
- c = (currentrenderentity->colormap & 0xF) << 4;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
- R_TintModel(aliasvertcolor, aliasvertcolor2, m->numverts, (byte *) (&d_8to24table[c]));
- GL_DrawModelMesh(skinset[1], aliasvertcolor2, m);
- }
- if (skinset[2])
- {
- c = currentrenderentity->colormap & 0xF0 ;c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
- R_TintModel(aliasvertcolor, aliasvertcolor2, m->numverts, (byte *) (&d_8to24table[c]));
- GL_DrawModelMesh(skinset[2], aliasvertcolor2, m);
- }
- }
- else
- {
- if (skinset[4])
- GL_DrawModelMesh(skinset[4], aliasvertcolor, m);
- else
- {
- if (skinset[0]) GL_DrawModelMesh(skinset[0], aliasvertcolor, m);
- if (skinset[1]) GL_DrawModelMesh(skinset[1], aliasvertcolor, m);
- if (skinset[2]) GL_DrawModelMesh(skinset[2], aliasvertcolor, m);
- }
- }
- if (skinset[3]) GL_DrawModelMesh(skinset[3], NULL, m);
- }
- else
- GL_DrawModelMesh(0, NULL, m);
-
- if (fogenabled)
- {
- vec3_t diff;
- 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], exp(fogdensity/DotProduct(diff,diff)));
-
- glDrawElements(GL_TRIANGLES, m->numtris * 3, GL_UNSIGNED_SHORT, (void *)((int) m + m->tridata));
-
- glEnable (GL_TEXTURE_2D);
- glColor3f (1,1,1);
- }
-
- GL_UnlockArray();
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
- glDisableClientState(GL_VERTEX_ARRAY);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glDepthMask(1);
-
- glPopMatrix();
-}
-
-/*
-=================
-R_DrawQ2AliasFrame
-
-=================
-*/
-void R_DrawQ2AliasFrame (void)
-{
- int *order, count;
- md2frame_t *frame1, *frame2, *frame3, *frame4;
- vec3_t diff;
- md2mem_t *m = Mod_Extradata(currentrenderentity->model);
-// int *skinanimrange = (int *) (currentrenderentity->model->skinanimrange + (int) modelheader) + skin * 2;
-// int *skinanim = (int *) (currentrenderentity->model->skinanim + (int) modelheader);
- int *skinanimrange = currentrenderentity->model->skinanimrange;
- int skin;
- rtexture_t **skinanim = currentrenderentity->model->skinanim;
- rtexture_t **skinset;
-
- skinanimrange += currentrenderentity->skinnum * 2;
- skin = skinanimrange[0];
- if (skinanimrange[1] > 1) // animated
- skin += (int) (cl.time * 10) % skinanimrange[1];
- skinset = skinanim + skin * 5;
-
- if (r_render.value)
- glBindTexture(GL_TEXTURE_2D, R_GetTexture(skinset[0]));
-
- if (gl_transform.value)
- {
- if (r_render.value)
- {
- glPushMatrix();
- GL_SetupModelTransform(currentrenderentity->origin, currentrenderentity->angles, currentrenderentity->scale);
- }
- }
- // always needed, for model lighting
- softwaretransformforentity(currentrenderentity);
-
- frame1 = (void *)((int) m + m->ofs_frames + (m->framesize * currentrenderentity->frameblend[0].frame));
- frame2 = (void *)((int) m + m->ofs_frames + (m->framesize * currentrenderentity->frameblend[1].frame));
- frame3 = (void *)((int) m + m->ofs_frames + (m->framesize * currentrenderentity->frameblend[2].frame));
- frame4 = (void *)((int) m + m->ofs_frames + (m->framesize * currentrenderentity->frameblend[3].frame));
- R_AliasLerpVerts(m->num_xyz,
- currentrenderentity->frameblend[0].lerp, frame1->verts, frame1->scale, frame1->translate,
- currentrenderentity->frameblend[1].lerp, frame2->verts, frame2->scale, frame2->translate,
- currentrenderentity->frameblend[2].lerp, frame3->verts, frame3->scale, frame3->translate,
- currentrenderentity->frameblend[3].lerp, frame4->verts, frame4->scale, frame4->translate);
- if (!gl_transform.value)
- R_AliasTransformVerts(m->num_xyz);
-
- R_LightModel(m->num_xyz);
-
- if (!r_render.value)
- return;
-
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE); // additive rendering
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else if (currentrenderentity->alpha != 1.0 || (currentrenderentity->model->flags2 & MODF_TRANSPARENT))
- {
- 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_UNSIGNED_BYTE, sizeof(byte[4]), aliasvertcolor);
- glEnableClientState(GL_VERTEX_ARRAY);
- glEnableClientState(GL_COLOR_ARRAY);
-
- order = (int *)((int)m + m->ofs_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--);
- }
-
- 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], 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);
-
- order = (int *)((int)m + m->ofs_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--);
- }
-
- 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);
-
- if (gl_transform.value)
- glPopMatrix();
-}
-
-void ZymoticLerpBones(int count, zymbonematrix *bonebase, frameblend_t *blend, zymbone_t *bone, float rootorigin[3], float rootangles[3], float rootscale)
-{
- float lerp1, lerp2, lerp3, lerp4;
- zymbonematrix *out, rootmatrix, m, *bone1, *bone2, *bone3, *bone4;
- out = zymbonepose;
- AngleVectors(rootangles, rootmatrix.m[0], rootmatrix.m[1], rootmatrix.m[2]);
- VectorScale(rootmatrix.m[0], rootscale, rootmatrix.m[0]);
- VectorScale(rootmatrix.m[1], rootscale, rootmatrix.m[1]);
- VectorScale(rootmatrix.m[2], rootscale, rootmatrix.m[2]);
- rootmatrix.m[0][3] = rootorigin[0];
- rootmatrix.m[1][3] = rootorigin[1];
- rootmatrix.m[2][3] = rootorigin[2];
- 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;
- while(count--)
- {
- // 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++;
- out++;
- }
- }
- else
- {
- // 3 poses
- while(count--)
- {
- // 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++;
- out++;
- }
- }
- }
- else
- {
- // 2 poses
- while(count--)
- {
- // 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++;
- out++;
- }
- }
- }
- else
- {
- // 1 pose
- if (lerp1 != 1)
- {
- // lerp != 1.0
- while(count--)
- {
- // 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++;
- out++;
- }
- }
- else
- {
- // lerp == 1.0
- while(count--)
- {
- 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++;
- out++;
- }
- }
- }
-}
-
-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)
- 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];
- int *u;
- // clear normals
- memset(aliasvertnorm, 0, sizeof(float[3]) * vertcount);
- 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);
- VectorNormalize(normal);
- // add surface normal to vertices
- aliasvertnorm[a+0] += normal[0];
- aliasvertnorm[a+1] += normal[1];
- aliasvertnorm[a+2] += normal[2];
- aliasvertusage[a]++;
- aliasvertnorm[b+0] += normal[0];
- aliasvertnorm[b+1] += normal[1];
- aliasvertnorm[b+2] += normal[2];
- aliasvertusage[b]++;
- aliasvertnorm[c+0] += normal[0];
- aliasvertnorm[c+1] += normal[1];
- aliasvertnorm[c+2] += normal[2];
- aliasvertusage[c]++;
- renderlist += 3;
- }
- }
- // average surface normals
- out = aliasvertnorm;
- u = aliasvertusage;
- while(vertcount--)
- {
- if (*u > 1)
- {
- a = ixtable[*u];
- out[0] *= a;
- out[1] *= a;
- out[2] *= a;
- }
- u++;
- out += 3;
- }
-}
-
-void GL_DrawZymoticModelMesh(byte *colors, zymtype1header_t *m)
-{
- int i, c, *renderlist;
- rtexture_t **texture;
- if (!r_render.value)
- return;
- renderlist = (int *)(m->lump_render.start + (int) m);
- texture = (rtexture_t **)(m->lump_shaders.start + (int) m);
- glVertexPointer(3, GL_FLOAT, sizeof(float[3]), aliasvert);
- glEnableClientState(GL_VERTEX_ARRAY);
-
- glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(byte[4]), colors);
- glEnableClientState(GL_COLOR_ARRAY);
-
- glTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), (float *)(m->lump_texcoords.start + (int) m));
- glEnableClientState(GL_TEXTURE_COORD_ARRAY);
-
- for (i = 0;i < m->numshaders;i++)
- {
- c = (*renderlist++) * 3;
- glBindTexture(GL_TEXTURE_2D, R_GetTexture(*texture));
- texture++;
- glDrawElements(GL_TRIANGLES, c, GL_UNSIGNED_INT, renderlist);
- renderlist += c;
- }
-
- glDisableClientState(GL_TEXTURE_COORD_ARRAY);
-
- glDisableClientState(GL_COLOR_ARRAY);
-
- glDisableClientState(GL_VERTEX_ARRAY);
-}
-
-void GL_DrawZymoticModelMeshFog(vec3_t org, zymtype1header_t *m)
-{
- vec3_t diff;
- int i, c, *renderlist;
- if (!r_render.value)
- return;
- renderlist = (int *)(m->lump_render.start + (int) m);
- glDisable(GL_TEXTURE_2D);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glDepthMask(0); // disable zbuffer updates
-
- VectorSubtract(org, r_origin, diff);
- glColor4f(fogcolor[0], fogcolor[1], fogcolor[2], exp(fogdensity/DotProduct(diff,diff)));
-
- glVertexPointer(3, GL_FLOAT, sizeof(float[3]), aliasvert);
- glEnableClientState(GL_VERTEX_ARRAY);
-
- for (i = 0;i < m->numshaders;i++)
- {
- c = (*renderlist++) * 3;
- glDrawElements(GL_TRIANGLES, c, GL_UNSIGNED_INT, renderlist);
- renderlist += c;
- }
-
- glDisableClientState(GL_VERTEX_ARRAY);
-
- glEnable(GL_TEXTURE_2D);
- glColor3f (1,1,1);
-}
-
-/*
-=================
-R_DrawZymoticFrame
-=================
-*/
-void R_DrawZymoticFrame (void)
-{
- zymtype1header_t *m = Mod_Extradata(currentrenderentity->model);
- ZymoticLerpBones(m->numbones, (zymbonematrix *)(m->lump_poses.start + (int) m), currentrenderentity->frameblend, (zymbone_t *)(m->lump_bones.start + (int) m), currentrenderentity->origin, currentrenderentity->angles, currentrenderentity->scale);
- 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);
-
- if (!r_render.value)
- return;
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-// glShadeModel(GL_SMOOTH);
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE); // additive rendering
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else if (currentrenderentity->alpha != 1.0)
- {
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
- glDepthMask(0);
- }
- else
- {
- glDisable(GL_BLEND);
- glDepthMask(1);
- }
-
- GL_DrawZymoticModelMesh(aliasvertcolor, m);
-
- if (fogenabled)
- GL_DrawZymoticModelMeshFog(currentrenderentity->origin, m);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable (GL_BLEND);
- glDepthMask(1);
-}
-
-/*
-=================
-R_DrawAliasModel
-
-=================
-*/
-void R_DrawAliasModel (void)
-{
- if (currentrenderentity->alpha < (1.0 / 64.0))
- return; // basically completely transparent
-
- c_models++;
-
- if (r_render.value)
- glEnable (GL_TEXTURE_2D);
-
- c_alias_polys += currentrenderentity->model->numtris;
- if (currentrenderentity->model->aliastype == ALIASTYPE_ZYM)
- R_DrawZymoticFrame ();
- else if (currentrenderentity->model->aliastype == ALIASTYPE_MD2)
- R_DrawQ2AliasFrame ();
- else
- R_DrawAliasFrame ();
-}
projects / xonotic / darkplaces.git / blobdiff