Initial commit: wowee native WoW 3.3.5a client

include/rendering/swim_effects.hpp

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <GL/glew.h>
+#include <glm/glm.hpp>
+#include <memory>
+#include <vector>
+
+namespace wowee {
+namespace rendering {
+
+class Camera;
+class CameraController;
+class WaterRenderer;
+class Shader;
+
+class SwimEffects {
+public:
+    SwimEffects();
+    ~SwimEffects();
+
+    bool initialize();
+    void shutdown();
+    void update(const Camera& camera, const CameraController& cc,
+                const WaterRenderer& water, float deltaTime);
+    void render(const Camera& camera);
+
+private:
+    struct Particle {
+        glm::vec3 position;
+        glm::vec3 velocity;
+        float lifetime;
+        float maxLifetime;
+        float size;
+        float alpha;
+    };
+
+    static constexpr int MAX_RIPPLE_PARTICLES = 200;
+    static constexpr int MAX_BUBBLE_PARTICLES = 150;
+
+    std::vector<Particle> ripples;
+    std::vector<Particle> bubbles;
+
+    GLuint rippleVAO = 0, rippleVBO = 0;
+    GLuint bubbleVAO = 0, bubbleVBO = 0;
+    std::unique_ptr<Shader> rippleShader;
+    std::unique_ptr<Shader> bubbleShader;
+
+    std::vector<float> rippleVertexData;
+    std::vector<float> bubbleVertexData;
+
+    float rippleSpawnAccum = 0.0f;
+    float bubbleSpawnAccum = 0.0f;
+
+    void spawnRipple(const glm::vec3& pos, const glm::vec3& moveDir, float waterH);
+    void spawnBubble(const glm::vec3& pos, float waterH);
+};
+
+} // namespace rendering
+} // namespace wowee