Function DrawShadowCache

Source/Main/engine.cpp:3416–3442

}

void DrawShadowCache(const mat4& proj_view_matrix, const char* special) {
    Graphics* graphics = Graphics::Instance();
    Shaders* shaders = Shaders::Instance();

    GLState gl_state;
    gl_state.depth_test = true;
    gl_state.cull_face = true;
    gl_state.depth_write = true;
    gl_state.blend = false;

    graphics->setGLState(gl_state);

    const int kBufSize = 512;
    char shader_name[kBufSize];
    FormatString(shader_name, kBufSize, "shadow%s", special);
    int shader_id = shaders->returnProgram(shader_name);
    shaders->setProgram(shader_id);
    shaders->SetUniformMat4("projection_view_mat", proj_view_matrix);
    int vert_attrib_id = shaders->returnShaderAttrib("vert", shader_id);

    shadow_cache_verts_vbo.Bind();
    graphics->EnableVertexAttribArray(vert_attrib_id);
    glVertexAttribPointer(vert_attrib_id, 3, GL_FLOAT, false, 0, 0);
    shadow_cache_indices_vbo.Bind();
    graphics->DrawElements(GL_TRIANGLES, shadow_cache_indices.size(), GL_UNSIGNED_INT, 0);
    graphics->ResetVertexAttribArrays();
}

static bool UpdateShadowCache(SceneGraph* scenegraph) {
    Graphics* graphics = Graphics::Instance();