101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
module;
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#include <GLFW/glfw3.h>
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#include <glm/glm.hpp>
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export module Render;
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import utils;
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import views;
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import AssetData;
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import std;
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export namespace ee_engine
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{
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struct ShaderRefs
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{
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ee_assets::AssetShader *vertProvinces;
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ee_assets::AssetShader *fragProvinces;
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};
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struct CameraTransform
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{
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glm::vec2 position {0.0f, 0.0f};
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float zoom = 1.0f;
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};
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struct MeshTransform
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{
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glm::vec2 position {0.0f, 0.0f};
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glm::vec2 scale {1.0f, 1.0f};
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float rotation;
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};
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struct RendererCommand : public ee_utils::WorkerCommand
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{
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enum Type : std::uint8_t
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{
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NONE,
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UPDATE_REGION,
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COMPLETED
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};
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struct RegionPayload { std::uint32_t id; ProvinceSSBO data; };
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union {
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RegionPayload region;
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};
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};
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class IRenderer : public ee_utils::Worker<RendererCommand, RendererCommand::COMPLETED>
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{
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public:
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virtual ~IRenderer();
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constexpr bool isReady() const noexcept {return _isReady;}
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void RegisterMaterials(const ShaderRefs &shaders);
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void RegisterMapMesh(MapMesh *mapMesh);
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virtual void Init() = 0;
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virtual void Shutdown() = 0;
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void Draw();
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virtual void ResizeWindow(int width, int height);
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void SetCamera(const CameraTransform &camera);
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constexpr CameraTransform getCamera() const noexcept {return camera;};
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glm::vec2 ScreenToWorld(const float screenx, const float screenY);
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glm::vec2 ScreenToWorld(const glm::vec2 &screenPos);
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protected:
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bool _isReady;
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int screenWidth, screenHeight;
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float screenAspect;
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CameraTransform camera;
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glm::mat4 viewProjection;
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glm::mat4 viewProjectionInversed;
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GLFWwindow *window;
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MapMesh *mapMesh;
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ShaderRefs shaders;
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struct RegionIndecies {std::size_t startIndex; std::size_t provincesCount;};
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std::unordered_map<std::uint32_t /*id*/, RegionIndecies> regionsMapping;
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explicit IRenderer(GLFWwindow *window);
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virtual void Clear() = 0;
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virtual void DrawMap() = 0;
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virtual void DrawUI() = 0;
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virtual void ApplyCamera() = 0;
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virtual void UpdateProvinces(const std::size_t index, const std::vector<ee_engine::ProvinceSSBO> &data) = 0;
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private:
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void UpdateRegionCmd(RendererCommand &command);
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};
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} |