/*
==================
GL_TexGen
==================
*/
void GL_TexGen (uint texCoord, int texGen){
switch (texCoord){
case GL_S:
if (glState.texGen[glState.texUnit][0] == texGen)
return;
glState.texGen[glState.texUnit][0] = texGen;
break;
case GL_T:
if (glState.texGen[glState.texUnit][1] == texGen)
return;
glState.texGen[glState.texUnit][1] = texGen;
break;
case GL_R:
if (glState.texGen[glState.texUnit][2] == texGen)
return;
glState.texGen[glState.texUnit][2] = texGen;
break;
case GL_Q:
if (glState.texGen[glState.texUnit][3] == texGen)
return;
glState.texGen[glState.texUnit][3] = texGen;
break;
}
qglTexGeni(texCoord, GL_TEXTURE_GEN_MODE, texGen);
}
/*
==================
GL_SetDefaultState
==================
*/
void GL_SetDefaultState (){
int i;
QGL_LogPrintf("---------- GL_SetDefaultState ----------\n");
// Reset the state manager
glState.projectionMatrixIdentity = true;
glState.modelviewMatrixIdentity = true;
for (i = 0; i < MAX_TEXTURE_UNITS; i++)
glState.textureMatrixIdentity[i] = true;
for (i = 0; i < MAX_TEXTURE_UNITS; i++)
glState.texture[i] = NULL;
glState.program = NULL;
glState.indexBuffer = NULL;
glState.vertexBuffer = NULL;
glState.viewportX = 0;
glState.viewportY = 0;
glState.viewportWidth = glConfig.videoWidth;
glState.viewportHeight = glConfig.videoHeight;
glState.scissorX = 0;
glState.scissorY = 0;
glState.scissorWidth = glConfig.videoWidth;
glState.scissorHeight = glConfig.videoHeight;
glState.depthBoundsMin = 0.0f;
glState.depthBoundsMax = 1.0f;
glState.texUnit = 0;
for (i = 0; i < MAX_TEXTURE_UNITS; i++){
glState.texTarget[i] = 0;
glState.texEnv[i] = GL_MODULATE;
glState.texGen[i][0] = GL_OBJECT_LINEAR;
glState.texGen[i][1] = GL_OBJECT_LINEAR;
glState.texGen[i][2] = GL_OBJECT_LINEAR;
glState.texGen[i][3] = GL_OBJECT_LINEAR;
}
glState.cullFace = false;
glState.polygonOffsetFill = false;
glState.polygonOffsetLine = false;
glState.blend = false;
glState.alphaTest = false;
glState.depthTest = false;
glState.stencilTest = false;
for (i = 0; i < MAX_TEXTURE_UNITS; i++){
glState.textureGen[i][0] = false;
glState.textureGen[i][1] = false;
glState.textureGen[i][2] = false;
glState.textureGen[i][3] = false;
}
glState.cullMode = GL_FRONT;
glState.polygonMode = GL_FILL;
glState.polygonOffsetFactor = 0.0f;
glState.polygonOffsetUnits = 0.0f;
glState.blendSrc = GL_ONE;
glState.blendDst = GL_ZERO;
glState.blendMode = GL_FUNC_ADD;
glState.alphaFunc = GL_GREATER;
glState.alphaFuncRef = 0.0f;
glState.depthFunc = GL_LEQUAL;
glState.stencilFunc[0] = GL_ALWAYS;
glState.stencilFunc[1] = GL_ALWAYS;
glState.stencilFuncRef[0] = 0;
glState.stencilFuncRef[1] = 0;
glState.stencilFuncMask[0] = 255;
glState.stencilFuncMask[1] = 255;
glState.stencilOpFail[0] = GL_KEEP;
glState.stencilOpFail[1] = GL_KEEP;
glState.stencilOpZFail[0] = GL_KEEP;
glState.stencilOpZFail[1] = GL_KEEP;
glState.stencilOpZPass[0] = GL_KEEP;
glState.stencilOpZPass[1] = GL_KEEP;
glState.depthMin = 0.0f;
glState.depthMax = 1.0f;
glState.colorMask[0] = GL_TRUE;
glState.colorMask[1] = GL_TRUE;
glState.colorMask[2] = GL_TRUE;
glState.colorMask[3] = GL_TRUE;
glState.depthMask = GL_TRUE;
glState.stencilMask[0] = 255;
glState.stencilMask[1] = 255;
// Set default state
qglMatrixMode(GL_PROJECTION);
qglLoadIdentity();
qglMatrixMode(GL_MODELVIEW);
qglLoadIdentity();
for (i = MAX_TEXTURE_UNITS - 1; i >= 0; i--){
if (i >= glConfig.maxTextureImageUnits)
continue;
if (i >= glConfig.maxTextureUnits){
qglActiveTexture(GL_TEXTURE0 + i);
qglBindTexture(GL_TEXTURE_2D, 0);
qglBindTexture(GL_TEXTURE_3D, 0);
qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);
qglBindTexture(GL_TEXTURE_2D_ARRAY, 0);
continue;
}
qglActiveTexture(GL_TEXTURE0 + i);
qglMatrixMode(GL_TEXTURE);
qglLoadIdentity();
qglDisable(GL_TEXTURE_2D);
qglDisable(GL_TEXTURE_3D);
qglDisable(GL_TEXTURE_CUBE_MAP);
qglDisable(GL_TEXTURE_2D_ARRAY);
qglBindTexture(GL_TEXTURE_2D, 0);
qglBindTexture(GL_TEXTURE_3D, 0);
qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);
qglBindTexture(GL_TEXTURE_2D_ARRAY, 0);
qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
qglDisable(GL_TEXTURE_GEN_S);
qglDisable(GL_TEXTURE_GEN_T);
qglDisable(GL_TEXTURE_GEN_R);
qglDisable(GL_TEXTURE_GEN_Q);
qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
qglTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
}
qglDisable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
qglUseProgram(0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglViewport(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_SCISSOR_TEST);
qglScissor(0, 0, glConfig.videoWidth, glConfig.videoHeight);
qglEnable(GL_DEPTH_BOUNDS_TEST_EXT);
qglDepthBoundsEXT(0.0f, 1.0f);
qglFrontFace(GL_CCW);
qglShadeModel(GL_SMOOTH);
qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
qglDisable(GL_CULL_FACE);
qglCullFace(GL_FRONT);
qglDisable(GL_POLYGON_OFFSET_FILL);
qglDisable(GL_POLYGON_OFFSET_LINE);
qglPolygonOffset(0.0f, 0.0f);
qglDisable(GL_BLEND);
qglBlendFunc(GL_ONE, GL_ZERO);
qglBlendEquation(GL_FUNC_ADD);
qglDisable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.0f);
qglDisable(GL_DEPTH_TEST);
qglDepthFunc(GL_LEQUAL);
qglDisable(GL_STENCIL_TEST);
qglStencilFunc(GL_ALWAYS, 128, 255);
qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
qglDepthRange(0.0f, 1.0f);
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
qglDepthMask(GL_TRUE);
qglStencilMask(255);
qglDisable(GL_DEPTH_CLAMP);
qglDisable(GL_CLIP_PLANE0);
if (glConfig.multiSamples > 1){
qglDisable(GL_MULTISAMPLE);
qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
}
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClearDepth(1.0f);
qglClearStencil(128);
qglEnableClientState(GL_VERTEX_ARRAY);
qglDisableVertexAttribArray(GL_ATTRIB_NORMAL);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT1);
qglDisableVertexAttribArray(GL_ATTRIB_TANGENT2);
qglDisableVertexAttribArray(GL_ATTRIB_TEXCOORD);
qglDisableVertexAttribArray(GL_ATTRIB_COLOR);
QGL_LogPrintf("--------------------\n");
}
/*
=================
R_DrawAliasFrameLerp
=================
*/
void R_DrawAliasFrameLerp (maliasmodel_t *paliashdr, entity_t *e)
{
int i, j, k, meshnum;
maliasframe_t *frame, *oldframe;
maliasmesh_t mesh;
maliasvertex_t *v, *ov;
vec3_t move, delta, vectors[3];
vec3_t curScale, oldScale, curNormal, oldNormal;
vec3_t tempNormalsArray[MD3_MAX_VERTS];
vec2_t tempSkinCoord;
vec3_t meshlight, lightcolor;
float alpha, meshalpha, thisalpha, shellscale, frontlerp, backlerp = e->backlerp;
image_t *skin;
renderparms_t skinParms;
qboolean shellModel = e->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM);
frontlerp = 1.0 - backlerp;
if (e->flags & RF_TRANSLUCENT)
alpha = e->alpha;
else
alpha = 1.0;
frame = paliashdr->frames + e->frame;
oldframe = paliashdr->frames + e->oldframe;
VectorScale(frame->scale, frontlerp, curScale);
VectorScale(oldframe->scale, backlerp, oldScale);
// move should be the delta back to the previous frame * backlerp
VectorSubtract (e->oldorigin, e->origin, delta);
AngleVectors (e->angles, vectors[0], vectors[1], vectors[2]);
move[0] = DotProduct (delta, vectors[0]); // forward
move[1] = -DotProduct (delta, vectors[1]); // left
move[2] = DotProduct (delta, vectors[2]); // up
VectorAdd (move, oldframe->translate, move);
for (i=0 ; i<3 ; i++)
move[i] = backlerp*move[i] + frontlerp*frame->translate[i];
R_SetVertexOverbrights(true);
R_SetShellBlend (true);
// new outer loop for whole model
for (k=0, meshnum=0; k < paliashdr->num_meshes; k++, meshnum++)
{
mesh = paliashdr->meshes[k];
skinParms = mesh.skins[e->skinnum].renderparms;
// select skin
if (e->skin)
skin = e->skin; // custom player skin
else
skin = currentmodel->skins[k][e->skinnum];
if (!skin)
skin = r_notexture;
if ( !shellModel )
GL_Bind(skin->texnum);
else if (FlowingShell())
alpha = 0.7;
// md3 skin scripting
if (skinParms.nodraw)
continue; // skip this mesh for this skin
if (skinParms.twosided)
GL_Disable(GL_CULL_FACE);
if (skinParms.alphatest && !shellModel)
GL_Enable(GL_ALPHA_TEST);
if (skinParms.fullbright)
VectorSet(meshlight, 1.0f, 1.0f, 1.0f);
else
VectorCopy(shadelight, meshlight);
meshalpha = alpha * skinParms.basealpha;
if (meshalpha < 1.0f || skinParms.blend)
GL_Enable (GL_BLEND);
else
GL_Disable (GL_BLEND);
if (skinParms.blend && !shellModel)
GL_BlendFunc (skinParms.blendfunc_src, skinParms.blendfunc_dst);
else
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// md3 skin scripting
v = mesh.vertexes + e->frame*mesh.num_verts;
ov = mesh.vertexes + e->oldframe*mesh.num_verts;
rb_vertex = 0;
for (i=0; i<mesh.num_verts; i++, v++, ov++)
{
// lerp verts
curNormal[0] = r_sinTable[v->normal[0]] * r_cosTable[v->normal[1]];
curNormal[1] = r_sinTable[v->normal[0]] * r_sinTable[v->normal[1]];
curNormal[2] = r_cosTable[v->normal[0]];
oldNormal[0] = r_sinTable[ov->normal[0]] * r_cosTable[ov->normal[1]];
oldNormal[1] = r_sinTable[ov->normal[0]] * r_sinTable[ov->normal[1]];
oldNormal[2] = r_cosTable[ov->normal[0]];
VectorSet ( tempNormalsArray[i],
curNormal[0] + (oldNormal[0] - curNormal[0])*backlerp,
curNormal[1] + (oldNormal[1] - curNormal[1])*backlerp,
curNormal[2] + (oldNormal[2] - curNormal[2])*backlerp );
if (shellModel)
shellscale = (e->flags & RF_WEAPONMODEL) ? WEAPON_SHELL_SCALE: POWERSUIT_SCALE;
else
shellscale = 0.0;
VectorSet ( tempVertexArray[meshnum][i],
move[0] + ov->point[0]*oldScale[0] + v->point[0]*curScale[0] + tempNormalsArray[i][0]*shellscale,
move[1] + ov->point[1]*oldScale[1] + v->point[1]*curScale[1] + tempNormalsArray[i][1]*shellscale,
move[2] + ov->point[2]*oldScale[2] + v->point[2]*curScale[2] + tempNormalsArray[i][2]*shellscale );
// calc lighting and alpha
if (shellModel)
VectorCopy(meshlight, lightcolor);
else
R_LightAliasModel(meshlight, tempNormalsArray[i], lightcolor, v->lightnormalindex, !skinParms.nodiffuse);
//thisalpha = R_CalcEntAlpha(meshalpha, tempVertexArray[meshnum][i]);
thisalpha = meshalpha;
// get tex coords
if (shellModel && FlowingShell()) {
tempSkinCoord[0] = (tempVertexArray[meshnum][i][0] + tempVertexArray[meshnum][i][1]) / 40.0 + shellFlowH;
tempSkinCoord[1] = tempVertexArray[meshnum][i][2] / 40.0 + shellFlowV;
} else {
tempSkinCoord[0] = mesh.stcoords[i].st[0];
tempSkinCoord[1] = mesh.stcoords[i].st[1];
}
// add to arrays
VA_SetElem2(texCoordArray[0][rb_vertex], tempSkinCoord[0], tempSkinCoord[1]);
VA_SetElem3(vertexArray[rb_vertex], tempVertexArray[meshnum][i][0], tempVertexArray[meshnum][i][1], tempVertexArray[meshnum][i][2]);
VA_SetElem4(colorArray[rb_vertex], lightcolor[0], lightcolor[1], lightcolor[2], thisalpha);
rb_vertex++;
}
if (!shellModel)
RB_ModifyTextureCoords (&texCoordArray[0][0][0], &vertexArray[0][0], rb_vertex, skinParms);
// set indices for each triangle and draw
rb_index = 0;
for (j=0; j < mesh.num_tris; j++)
{
indexArray[rb_index++] = mesh.indexes[3*j+0];
indexArray[rb_index++] = mesh.indexes[3*j+1];
indexArray[rb_index++] = mesh.indexes[3*j+2];
}
RB_DrawArrays (GL_TRIANGLES);
// glow pass
if (mesh.skins[e->skinnum].glowimage && !shellModel)
{
float glowcolor;
if (skinParms.glow.type > -1)
glowcolor = RB_CalcGlowColor (skinParms);
else
glowcolor = 1.0;
qglDisableClientState (GL_COLOR_ARRAY);
qglColor4f(glowcolor, glowcolor, glowcolor, 1.0);
GL_Enable (GL_BLEND);
GL_BlendFunc (GL_ONE, GL_ONE);
GL_Bind(mesh.skins[e->skinnum].glowimage->texnum);
RB_DrawArrays (GL_TRIANGLES);
qglEnableClientState (GL_COLOR_ARRAY);
qglColor4f(1.0, 1.0, 1.0, 1.0);
}
// envmap pass
if (skinParms.envmap > 0.0f && !shellModel)
{
GL_Enable (GL_BLEND);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
// apply alpha to array
for (i=0; i<mesh.num_verts; i++)
//colorArray[i][3] = R_CalcEntAlpha(meshalpha*skinParms.envmap, tempVertexArray[meshnum][i]);
colorArray[i][3] = meshalpha*skinParms.envmap;
GL_Bind(r_envmappic->texnum);
qglEnable(GL_TEXTURE_GEN_S);
qglEnable(GL_TEXTURE_GEN_T);
RB_DrawArrays (GL_TRIANGLES);
qglDisable(GL_TEXTURE_GEN_S);
qglDisable(GL_TEXTURE_GEN_T);
}
RB_DrawMeshTris (GL_TRIANGLES, 1);
// md3 skin scripting
if (skinParms.twosided)
GL_Enable(GL_CULL_FACE);
if (skinParms.alphatest && !shellModel)
GL_Disable(GL_ALPHA_TEST);
GL_Disable (GL_BLEND);
// md3 skin scripting
} // end new outer loop
R_SetShellBlend (false);
R_SetVertexOverbrights(false);
}
