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| public void render() {
float shade;
float texLeft = 0.0f;
float texUp = 0.0f;
float texDown = 0.0f;
float red = 1.0f;
float green = 1.0f;
float blue = 1.0f;
if(isDetailed && isTextured) {
gl.disable(GL.BLEND);
gl.activeTextureARB(GL.TEXTURE0_ARB);
gl.enable(GL.TEXTURE_2D);
TextureManager.getTextureManager().bind(textureId);
gl.activeTextureARB( GL.TEXTURE1_ARB );
gl.texEnvi( GL.TEXTURE_ENV, GL.TEXTURE_ENV_MODE, GL.COMBINE_ARB );
gl.texEnvi( GL.TEXTURE_ENV, GL.RGB_SCALE_ARB, 2 );
TextureManager.getTextureManager().bind(id);
} else if(isTextured) {
gl.enable(GL.TEXTURE_2D);
TextureManager.getTextureManager().bind(textureId);
}
for (int z = 0; z < terrainSize - 1; z++) {
gl.begin(GL.TRIANGLE_STRIP);
if(isTextured) {
texUp = (float)z/terrainSize;
texDown = (float)(z+1)/terrainSize;
}
for (int x = 0; x < terrainSize - 1; x++) {
if(isTextured && isDetailed) {
texLeft = (float)x/terrainSize;
gl.multiTexCoord2fARB( GL.TEXTURE0_ARB, texLeft, texUp );
gl.multiTexCoord2fARB( GL.TEXTURE1_ARB, texLeft*repeatDetailMap,
texUp*repeatDetailMap );
}else if(isTextured) {
texLeft = (float)x/terrainSize;
gl.texCoord2f(texLeft, texUp);
}
if(isLighted) {
shade = lightMap.getShade(x,z);
red = shade * lightMap.getColor().x;
green = shade * lightMap.getColor().y;
blue = shade * lightMap.getColor().z;
} else {
shade = (float)heightData.getTrueHeightAtPoint(x, z);
shade /= 255;
red = shade;
green = shade;
blue = shade;
}
gl.color3f(red, green, blue);
gl.vertex3f(x, heightData.getScaledHeightAtPoint(x, z), z);
if(isLighted) {
shade = lightMap.getShade(x,z+1);
red = shade * lightMap.getColor().x;
green = shade * lightMap.getColor().y;
blue = shade * lightMap.getColor().z;
} else {
shade = (float)heightData.getTrueHeightAtPoint(x, z+1);
shade /= 255;
red = shade;
green = shade;
blue = shade;
}
gl.color3f(red, green, blue);
if(isTextured && isDetailed) {
gl.multiTexCoord2fARB( GL.TEXTURE0_ARB, texLeft, texDown );
gl.multiTexCoord2fARB( GL.TEXTURE1_ARB, texLeft*repeatDetailMap,
texDown*repeatDetailMap );
}else if(isTextured) {
gl.texCoord2f(texLeft, texDown);
}
gl.vertex3f(
x,
heightData.getScaledHeightAtPoint(x, z + 1),
z + 1);
}
gl.end();
}
if(isTextured && isDetailed) {
gl.activeTextureARB( GL.TEXTURE1_ARB );
gl.disable( GL.TEXTURE_2D );
gl.bindTexture( GL.TEXTURE_2D, 0 );
gl.activeTextureARB( GL.TEXTURE0_ARB );
gl.disable( GL.TEXTURE_2D );
gl.bindTexture( GL.TEXTURE_2D, 0 );
}else if(isTextured) {
gl.disable(GL.TEXTURE_2D);
}
} |
