void R_DrawAliasModel(entity_t *e) {
extern void AddFire(vec3_t org, float size);
int lnum;
vec3_t dist;
float add;
model_t *clmodel;
vec3_t mins, maxs;
aliashdr_t *paliashdr;
float an; //s, t,
int anim;
md2_t *pheader; // LH / muff
int shell; //QMB :model shells
//not implemented yet
// byte c, *color; //QMB :color map
//does the model need a shell?
if (cl.items & IT_QUAD && e == &cl.viewent)
shell = true;
else
shell = false;
//set get the model from the e
clmodel = e->model;
//work out its max and mins
VectorAdd(e->origin, clmodel->mins, mins);
VectorAdd(e->origin, clmodel->maxs, maxs);
//make sure its in screen
if (R_CullBox(mins, maxs) && e != &cl.viewent)
return;
//QMB: FIXME
//should use a particle emitter linked to the model for its org
//needs to be linked when the model is created and distroyed when
//the entity is distroyed
//check if its a fire and add the particle effect
if (!strcmp(clmodel->name, "progs/flame.mdl"))
AddFire(e->origin, 4);
if (!strcmp(clmodel->name, "progs/flame2.mdl")) {
AddFire(e->origin, 10);
return; //do not draw the big fire model, its just a place holder for the particles
}
// get lighting information
//QMB: FIXME
//SHOULD CHANGE TO A PASSED VAR
//get vertex normals (for lighting and shells)
shadedots = r_avertexnormal_dots[((int) (e->angles[1] * (SHADEDOT_QUANT / 360.0))) & (SHADEDOT_QUANT - 1)];
//make a default lighting direction
an = e->angles[1] / 180 * M_PI;
shadevector[0] = cos(-an);
shadevector[1] = sin(-an);
shadevector[2] = 1; //e->angles[0];
VectorNormalize(shadevector);
//get the light for the model
R_LightPoint(e->origin); // LordHavoc: lightcolor is all that matters from this
//work out lighting from the dynamic lights
for (lnum = 0; lnum < MAX_DLIGHTS; lnum++) {
//if the light is alive
if (cl_dlights[lnum].die >= cl.time) {
//work out the distance to the light
VectorSubtract(e->origin, cl_dlights[lnum].origin, dist);
add = cl_dlights[lnum].radius - VectorLength(dist);
//if its close enough add light from it
if (add > 0) {
lightcolor[0] += add * cl_dlights[lnum].colour[0];
lightcolor[1] += add * cl_dlights[lnum].colour[1];
lightcolor[2] += add * cl_dlights[lnum].colour[2];
}
}
}
//scale lighting to floating point
VectorScale(lightcolor, 1.0f / 200.0f, lightcolor);
// locate the proper data
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
if (gl_n_patches && gl_npatches.getBool()) {
glEnable(GL_PN_TRIANGLES_ATI);
glPNTrianglesiATI(GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI, gl_npatches.getInt());
if (true)
glPNTrianglesiATI(GL_PN_TRIANGLES_POINT_MODE_ATI, GL_PN_TRIANGLES_POINT_MODE_CUBIC_ATI);
else
glPNTrianglesiATI(GL_PN_TRIANGLES_POINT_MODE_ATI, GL_PN_TRIANGLES_POINT_MODE_LINEAR_ATI);
if (true)
glPNTrianglesiATI(GL_PN_TRIANGLES_NORMAL_MODE_ATI, GL_PN_TRIANGLES_NORMAL_MODE_QUADRATIC_ATI);
else
glPNTrianglesiATI(GL_PN_TRIANGLES_NORMAL_MODE_ATI, GL_PN_TRIANGLES_NORMAL_MODE_LINEAR_ATI);
}
if (clmodel->aliastype == MD3IDHEADER) {
//do nothing for testing
if (!r_modeltexture.getBool()) {
GL_DisableTMU(GL_TEXTURE0_ARB);
}//disable texture if needed
R_DrawQ3Model(e, false, false);
if (!r_modeltexture.getBool()) {
GL_EnableTMU(GL_TEXTURE0_ARB);
}//enable texture if needed
if (r_celshading.getBool() || r_outline.getBool()) {
glCullFace(GL_BACK);
glEnable(GL_BLEND);
glPolygonMode(GL_FRONT, GL_LINE);
if (e == &cl.viewent) {
glLineWidth(1.0f);
} else {
glLineWidth(5.0f);
}
glEnable(GL_LINE_SMOOTH);
GL_DisableTMU(GL_TEXTURE0_ARB);
glColor3f(0.0, 0.0, 0.0);
R_DrawQ3Model(e, false, true);
glColor3f(1.0, 1.0, 1.0);
GL_EnableTMU(GL_TEXTURE0_ARB);
glPolygonMode(GL_FRONT, GL_FILL);
glDisable(GL_BLEND);
glCullFace(GL_FRONT);
}
if (shell) {
glBindTexture(GL_TEXTURE_2D, quadtexture);
glColor4f(1.0, 1.0, 1.0, 0.5);
glEnable(GL_BLEND);
R_DrawQ3Model(e, true, false);
glDisable(GL_BLEND);
glColor3f(1.0, 1.0, 1.0);
}
} else if (clmodel->aliastype != ALIASTYPE_MD2) {
paliashdr = (aliashdr_t *) Mod_Extradata(e->model);
c_alias_polys += paliashdr->numtris;
glPushMatrix();
//interpolate unless its the viewmodel
if (e != &cl.viewent)
R_BlendedRotateForEntity(e);
else
R_RotateForEntity(e);
glTranslatef(paliashdr->scale_origin[0], paliashdr->scale_origin[1], paliashdr->scale_origin[2]);
glScalef(paliashdr->scale[0], paliashdr->scale[1], paliashdr->scale[2]);
anim = (int) (cl.time * 10) & 3;
glBindTexture(GL_TEXTURE_2D, paliashdr->gl_texturenum[e->skinnum][anim]);
// draw all the triangles
if (!r_modeltexture.getBool()) {
GL_DisableTMU(GL_TEXTURE0_ARB);
} else {
//highlighting test code
if (0 && gl_textureunits > 2) {
GL_EnableTMU(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, TextureManager::highlighttexture);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
//need correct mode
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.0);
//glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
}
}
glColor3fv(lightcolor);
R_SetupAliasBlendedFrame(e->frame, paliashdr, e, false, false);
glDisable(GL_TEXTURE_1D);
if (r_celshading.getBool() || r_outline.getBool()) {
glColor3f(0.0, 0.0, 0.0);
R_SetupAliasBlendedFrame(e->frame, paliashdr, e, false, true);
glColor3f(1.0, 1.0, 1.0);
}
if (!r_modeltexture.getBool()) {
GL_EnableTMU(GL_TEXTURE0_ARB);
} else {
if (0 && gl_textureunits > 2) {
//highlighting test code
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
GL_DisableTMU(GL_TEXTURE1_ARB);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
}
glActiveTexture(GL_TEXTURE0_ARB);
//colour map code... not working yet...
/* if (e->colormap != vid.colormap && !gl_nocolors.value)
{
if (paliashdr->gl_texturenumColorMap&&paliashdr->gl_texturenumColorMap){
glBindTexture(GL_TEXTURE_2D,paliashdr->gl_texturenumColorMap);
c = (byte)e->colormap & 0xF0;
c += (c >= 128 && c < 224) ? 4 : 12; // 128-224 are backwards ranges
color = (byte *) (&d_8to24table[c]);
//glColor3fv(color);
glColor3f(1.0,1.0,1.0);
}
}*/
if (shell) {
glBindTexture(GL_TEXTURE_2D, quadtexture);
glColor4f(1.0, 1.0, 1.0, 0.5);
glEnable(GL_BLEND);
R_SetupAliasBlendedFrame(e->frame, paliashdr, e, true, false);
glDisable(GL_BLEND);
glColor3f(1.0, 1.0, 1.0);
}
glPopMatrix();
} else {
pheader = (md2_t *) Mod_Extradata(e->model);
c_alias_polys += pheader->num_tris;
glBindTexture(GL_TEXTURE_2D, pheader->gl_texturenum[e->skinnum]);
R_SetupQ2AliasFrame(e, pheader);
}
if (gl_n_patches && gl_npatches.getBool()) {
glDisable(GL_PN_TRIANGLES_ATI);
}
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
}
/*
=================
R_DrawQ3Model
Modified Dr Labmans
md3 code splitting it
up to make it easier
to add dynamic lighting code
=================
*/
void R_DrawQ3Model (entity_t *e)
{
md3header_t *header;
//md3shader_t *shader;
md3surface_t *surf;
/* if (!gl_notrans.value) // always true if not -nehahra
{
r_modelalpha = e->transparency;
if (r_modelalpha == 0)
r_modelalpha = 1.0;
}
else
{
r_modelalpha = 1.0;
}
*/
/*************** FIXME: combine with alias model code! ***************/
R_CalcMD3Lighting (e, e->model);
// Get the model data
header = (md3header_t *)Mod_Extradata (e->model);
// locate the proper data "huh surface related"!
surf = (md3surface_t *)((byte *)header + header->surface_offs);
c_alias_polys += surf->num_surf_tris;
/*******JDH*******
//get pointer to shaders
shader = (md3shader_t *)((byte *)surf + surf->shader_offs);
//shaders = shader[(currententity->skinnum%surf->num_surf_shaders)].texnum;
shaders = shader[ e->skinnum % surf->num_surf_shaders ].index;
if (shaders) {
GL_Bind(shaders);
} else {
GL_Bind(0);
}
*******JDH*******/
glPushMatrix();
//interpolate unless its the viewmodel
if (gl_interpolate_animation.value && (e != &cl.viewent))
{
R_BlendedRotateForEntity (e);
}
else
{
R_RotateForEntity (e);
}
if (gl_smoothmodels.value)
glShadeModel (GL_SMOOTH);
if (gl_affinemodels.value)
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
R_SetupQ3AliasFrame (e->frame, header, e, gl_mtexable);
glShadeModel (GL_FLAT);
if (gl_affinemodels.value)
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glPopMatrix();
}
