void Renderer::DrawWater()
{
SetCurrentShader(reflectShader);
SetShaderLight(*light);
glUniform3fv(glGetUniformLocation(currentShader->GetProgram(), "cameraPos"), 1, (float*)&camera->GetPosition());
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "diffuseTex"), 0);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "cubeTex"), 2);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_CUBE_MAP, cubeMap);
float heightX = (RAW_WIDTH * HEIGHTMAP_X / 2.0f);
float heightY = 256 * HEIGHTMAP_Y / 3.0f;
float heightZ = (RAW_HEIGHT * HEIGHTMAP_Z /2.0f);
modelMatrix =
Matrix4::Translation(Vector3(heightX, heightY, heightZ)) *
Matrix4::Scale(Vector3(heightX, 1, heightZ)) *
Matrix4::Rotation(90, Vector3(1.0f, 0.0f, 0.0f));
textureMatrix = Matrix4::Scale(Vector3(10.0f,10.0f,10.0f)) *
Matrix4::Rotation(waterRotate, Vector3(0.0f, 0.0f, 1.0f));
UpdateShaderMatrices();
quad->Draw();
glUseProgram(0);
}
void Renderer::RenderScene(){
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glUseProgram(currentShader->GetProgram());
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "diffuseTex"), 0);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "bumpTex"), 1);
glUniform3fv(glGetUniformLocation(currentShader->GetProgram(), "cameraPos"), 1,(float*)&camera->GetPosition());
UpdateShaderMatrices();
SetShaderLight(*light);
heightMap->Draw();
glUseProgram(0);
SwapBuffers();
}
void Renderer::DrawHeightMap()
{
SetCurrentShader(lightShader);
SetShaderLight(*light);
glUniform3fv(glGetUniformLocation(currentShader->GetProgram(), "cameraPos"), 1, (float*)&camera->GetPosition());
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "diffuseTex"), 0);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "bumpTex"), 1);
modelMatrix.ToIdentity();
textureMatrix.ToIdentity();
UpdateShaderMatrices();
heightMap->Draw();
glUseProgram(0);
}
void Renderer::DrawCombinedScene(){
SetCurrentShader(sceneShader);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "diffuseTex"), 0);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "bumpTex"), 1);
glUniform1i(glGetUniformLocation(currentShader->GetProgram(), "shadowTex"), 2);
glUniform3fv(glGetUniformLocation(currentShader->GetProgram(), "cameraPos"), 1, (float*)&camera->GetPosition());
SetShaderLight(*light);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, shadowTex);
viewMatrix = camera->BuildViewMatrix();
UpdateShaderMatrices();
DrawFloor();
DrawMesh();
glUseProgram(0);
}
void HWDrawInfo::SetFog(FRenderState &state, int lightlevel, int rellight, bool fullbright, const FColormap *cmap, bool isadditive)
{
PalEntry fogcolor;
float fogdensity;
if (Level->flags&LEVEL_HASFADETABLE)
{
fogdensity = 70;
fogcolor = 0x808080;
}
else if (cmap != NULL && !fullbright)
{
fogcolor = cmap->FadeColor;
fogdensity = GetFogDensity(lightlevel, fogcolor, cmap->FogDensity, cmap->BlendFactor);
fogcolor.a = 0;
}
else
{
fogcolor = 0;
fogdensity = 0;
}
// Make fog a little denser when inside a skybox
if (screen->mPortalState->inskybox) fogdensity += fogdensity / 2;
// no fog in enhanced vision modes!
if (fogdensity == 0 || gl_fogmode == 0)
{
state.EnableFog(false);
state.SetFog(0, 0);
}
else
{
if ((lightmode == ELightMode::Doom || (isSoftwareLighting() && cmap->BlendFactor > 0)) && fogcolor == 0)
{
float light = (float)CalcLightLevel(lightlevel, rellight, false, cmap->BlendFactor);
SetShaderLight(state, light, lightlevel);
}
else
{
state.SetLightParms(1.f, 0.f);
}
// For additive rendering using the regular fog color here would mean applying it twice
// so always use black
if (isadditive)
{
fogcolor = 0;
}
state.EnableFog(true);
state.SetFog(fogcolor, fogdensity);
// Korshun: fullbright fog like in software renderer.
if (isSoftwareLighting() && cmap->BlendFactor == 0 && Level->brightfog && fogdensity != 0 && fogcolor != 0)
{
state.SetSoftLightLevel(255);
}
}
}