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Initial commit: wowee native WoW 3.3.5a client

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Kelsi 2026-02-02 12:24:50 -08:00
commit ce6cb8f38e
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56
src/rendering/mesh.cpp Normal file
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#include "rendering/mesh.hpp"
namespace wowee {
namespace rendering {
Mesh::~Mesh() {
destroy();
}
void Mesh::create(const std::vector<Vertex>& vertices, const std::vector<uint32_t>& indices) {
indexCount = indices.size();
glGenVertexArrays(1, &VAO);
glGenBuffers(1, &VBO);
glGenBuffers(1, &EBO);
glBindVertexArray(VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(Vertex), vertices.data(), GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(uint32_t), indices.data(), GL_STATIC_DRAW);
// Position
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, position));
// Normal
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, normal));
// TexCoord
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), (void*)offsetof(Vertex, texCoord));
glBindVertexArray(0);
}
void Mesh::destroy() {
if (VAO) glDeleteVertexArrays(1, &VAO);
if (VBO) glDeleteBuffers(1, &VBO);
if (EBO) glDeleteBuffers(1, &EBO);
VAO = VBO = EBO = 0;
}
void Mesh::draw() const {
if (VAO && indexCount > 0) {
glBindVertexArray(VAO);
glDrawElements(GL_TRIANGLES, indexCount, GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
}
}
} // namespace rendering
} // namespace wowee