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#ifndef _ENGINE_H
#define _ENGINE_H
#include "shader.h"
static const std::string COMBINE_BUFFER = "_rt_FullFrameBuffer";
static const std::string MIPMAPPED_BUFFER = "_rt_MipMappedFrameBuffer";
namespace Mauri
{
struct View
{
f32 width = 0.f;
f32 height = 0.f;
s32 ortho_width;
s32 ortho_height;
vec2 texel_size;
vec2 texel_half_size;
f32 scale;
vec2 camera_pos;
vec2 cursor_pos;
f32 adjusted_width;
f32 adjusted_height;
auto center(f32 buffer_width, f32 buffer_height) -> void;
auto center_scale_viewport() -> void;
auto center_viewport(f32 buffer_width, f32 buffer_height) -> void;
auto default_viewport(f32 buffer_width, f32 buffer_height) -> void;
};
class Scene;
class Engine
{
public:
Engine(Scene *scene, f32 rate, bool audio);
~Engine();
Scene *scene;
f32 rate;
f32 time;
bool audio_enabled;
View view;
mat4x4 default_mat;
mat4x4 default_mat_inverse;
RenderObject *default_object;
RenderObject *flipped_object;
RenderObject *fullscreen_object;
Shader *shader;
RenderShader *render_shader;
Framebuffer *combine_buffer;
std::vector<Framebuffer *> framebuffers;
auto create_framebuffer(const std::string &name, f32 width, f32 height, f32 scale) -> void;
auto get_framebuffer(const std::string &name) -> Framebuffer *;
auto get_framebuffer_texture(const std::string &name) -> Texture *;
auto update() -> void;
auto draw() -> void;
auto run() -> void;
};
} // namespace Mauri
#endif // _ENGINE_H
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