Initial commit: wowee native WoW 3.3.5a client

include/rendering/camera.hpp

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+namespace wowee {
+namespace rendering {
+
+struct Ray {
+    glm::vec3 origin;
+    glm::vec3 direction;
+};
+
+class Camera {
+public:
+    Camera();
+
+    void setPosition(const glm::vec3& pos) { position = pos; updateViewMatrix(); }
+    void setRotation(float yaw, float pitch) { this->yaw = yaw; this->pitch = pitch; updateViewMatrix(); }
+    void setAspectRatio(float aspect) { aspectRatio = aspect; updateProjectionMatrix(); }
+    void setFov(float fov) { this->fov = fov; updateProjectionMatrix(); }
+
+    const glm::vec3& getPosition() const { return position; }
+    const glm::mat4& getViewMatrix() const { return viewMatrix; }
+    const glm::mat4& getProjectionMatrix() const { return projectionMatrix; }
+    glm::mat4 getViewProjectionMatrix() const { return projectionMatrix * viewMatrix; }
+    float getAspectRatio() const { return aspectRatio; }
+
+    glm::vec3 getForward() const;
+    glm::vec3 getRight() const;
+    glm::vec3 getUp() const;
+
+    Ray screenToWorldRay(float screenX, float screenY, float screenW, float screenH) const;
+
+private:
+    void updateViewMatrix();
+    void updateProjectionMatrix();
+
+    glm::vec3 position = glm::vec3(0.0f);
+    float yaw = 0.0f;
+    float pitch = 0.0f;
+    float fov = 45.0f;
+    float aspectRatio = 16.0f / 9.0f;
+    float nearPlane = 0.1f;
+    float farPlane = 200000.0f;  // Large draw distance for terrain visibility
+
+    glm::mat4 viewMatrix = glm::mat4(1.0f);
+    glm::mat4 projectionMatrix = glm::mat4(1.0f);
+};
+
+} // namespace rendering
+} // namespace wowee