mirror of
https://github.com/glest/glest-source.git
synced 2025-08-25 09:10:49 +02:00
Code Restructuring to make mega-glest more standard
This commit is contained in:
Mark Vejvoda
@@ -1,272 +0,0 @@
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#include "renderer.h"
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#include "opengl.h"
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#include "texture_gl.h"
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#include "graphics_interface.h"
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#include "graphics_factory_gl.h"
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using namespace Shared::Graphics;
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using namespace Shared::Graphics::Gl;
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namespace Shared{ namespace G3dViewer{
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// ===============================================
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// class MeshCallbackTeamColor
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// ===============================================
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void MeshCallbackTeamColor::execute(const Mesh *mesh){
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//team color
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if(mesh->getCustomTexture() && teamTexture!=NULL){
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//texture 0
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
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//set color to interpolation
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_TEXTURE1);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_ALPHA);
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//set alpha to 1
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
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//texture 1
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glActiveTexture(GL_TEXTURE1);
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glMultiTexCoord2f(GL_TEXTURE1, 0.f, 0.f);
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glEnable(GL_TEXTURE_2D);
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glBindTexture(GL_TEXTURE_2D, static_cast<const Texture2DGl*>(teamTexture)->getHandle());
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_PRIMARY_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_PREVIOUS);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);
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//set alpha to 1
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, GL_PRIMARY_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
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glActiveTexture(GL_TEXTURE0);
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}
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else{
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glActiveTexture(GL_TEXTURE1);
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glDisable(GL_TEXTURE_2D);
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glActiveTexture(GL_TEXTURE0);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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}
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}
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// ===============================================
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// class Renderer
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// ===============================================
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Renderer::Renderer(){
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normals= false;
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wireframe= false;
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grid= true;
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}
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Renderer::~Renderer(){
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delete modelRenderer;
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delete textureManager;
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}
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Renderer * Renderer::getInstance(){
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static Renderer * renderer = new Renderer();
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return renderer;
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}
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void Renderer::transform(float rotX, float rotY, float zoom){
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assertGl();
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glMatrixMode(GL_MODELVIEW);
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glRotatef(rotY, 1.0f, 0.0f, 0.0f);
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glRotatef(rotX, 0.0f, 1.0f, 0.0f);
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glScalef(zoom, zoom, zoom);
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Vec4f pos(-8.0f, 5.0f, 10.0f, 0.0f);
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glLightfv(GL_LIGHT0,GL_POSITION, pos.ptr());
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assertGl();
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}
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void Renderer::init(){
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assertGl();
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GraphicsFactory *gf= new GraphicsFactoryGl();
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GraphicsInterface::getInstance().setFactory(gf);
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modelRenderer= gf->newModelRenderer();
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textureManager= gf->newTextureManager();
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//red tex
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customTextureRed= textureManager->newTexture2D();
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customTextureRed->getPixmap()->init(1, 1, 3);
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customTextureRed->getPixmap()->setPixel(0, 0, Vec3f(1.f, 0.f, 0.f));
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//blue tex
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customTextureBlue= textureManager->newTexture2D();
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customTextureBlue->getPixmap()->init(1, 1, 3);
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customTextureBlue->getPixmap()->setPixel(0, 0, Vec3f(0.f, 0.f, 1.f));
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//yellow tex
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customTextureYellow= textureManager->newTexture2D();
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customTextureYellow->getPixmap()->init(1, 1, 3);
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customTextureYellow->getPixmap()->setPixel(0, 0, Vec3f(1.f, 1.f, 0.f));
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//green
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customTextureGreen= textureManager->newTexture2D();
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customTextureGreen->getPixmap()->init(1, 1, 3);
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customTextureGreen->getPixmap()->setPixel(0, 0, Vec3f(0.f, 0.5f, 0.f));
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glClearColor(0.3f, 0.3f, 0.3f, 1.0f);
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glEnable(GL_TEXTURE_2D);
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glFrontFace(GL_CW);
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glEnable(GL_CULL_FACE);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_ALPHA_TEST);
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glAlphaFunc(GL_GREATER, 0.5f);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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Vec4f diffuse= Vec4f(1.0f, 1.0f, 1.0f, 1.0f);
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Vec4f ambient= Vec4f(0.3f, 0.3f, 0.3f, 1.0f);
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Vec4f specular= Vec4f(0.1f, 0.1f, 0.1f, 1.0f);
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glLightfv(GL_LIGHT0,GL_AMBIENT, ambient.ptr());
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glLightfv(GL_LIGHT0,GL_DIFFUSE, diffuse.ptr());
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glLightfv(GL_LIGHT0,GL_SPECULAR, specular.ptr());
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glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
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glEnable(GL_COLOR_MATERIAL);
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assertGl();
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}
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void Renderer::reset(int w, int h, PlayerColor playerColor){
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assertGl();
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(60.0f, static_cast<float>(w)/h, 1.0f, 200.0f);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glTranslatef(0, -1.5, -5);
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Texture2D *customTexture;
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switch(playerColor){
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case pcRed:
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customTexture= customTextureRed;
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break;
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case pcBlue:
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customTexture= customTextureBlue;
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break;
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case pcYellow:
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customTexture= customTextureYellow;
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break;
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case pcGreen:
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customTexture= customTextureGreen;
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break;
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default:
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assert(false);
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}
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meshCallbackTeamColor.setTeamTexture(customTexture);
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if(wireframe){
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glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_LIGHTING);
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glDisable(GL_LIGHT0);
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}
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else{
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glEnable(GL_TEXTURE_2D);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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}
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assertGl();
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}
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void Renderer::renderGrid(){
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if(grid){
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float i;
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assertGl();
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glPushAttrib(GL_ENABLE_BIT);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_LIGHTING);
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glBegin(GL_LINES);
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glColor3f(1.0f, 1.0f, 1.0f);
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for(i=-10.0f; i<=10.0f; i+=1.0f){
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glVertex3f(i, 0.0f, 10.0f);
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glVertex3f(i, 0.0f, -10.0f);
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}
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for(i=-10.0f; i<=10.0f; i+=1.0f){
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glVertex3f(10.f, 0.0f, i);
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glVertex3f(-10.f, 0.0f, i);
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}
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glEnd();
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glPopAttrib();
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assertGl();
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}
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}
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void Renderer::toggleNormals(){
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normals= normals? false: true;
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}
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void Renderer::toggleWireframe(){
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wireframe= wireframe? false: true;
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}
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void Renderer::toggleGrid(){
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grid= grid? false: true;
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}
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void Renderer::loadTheModel(Model *model, string file){
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model->setTextureManager(textureManager);
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model->loadG3d(file);
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textureManager->init();
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}
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void Renderer::renderTheModel(Model *model, float f){
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if(model != NULL){
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modelRenderer->begin(true, true, !wireframe, &meshCallbackTeamColor);
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model->updateInterpolationData(f, true);
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modelRenderer->render(model);
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if(normals){
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glPushAttrib(GL_ENABLE_BIT);
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glDisable(GL_LIGHTING);
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glDisable(GL_TEXTURE_2D);
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glColor3f(1.0f, 1.0f, 1.0f);
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modelRenderer->renderNormalsOnly(model);
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glPopAttrib();
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}
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modelRenderer->end();
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}
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}
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}}//end namespace
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