Catcrafts/Crafter.Graphics
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Jorijn van der Graaf 2025-04-27 22:16:56 +02:00
commit cfc9ca8349
10 changed files with 124 additions and 81 deletions
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Crafter.Graphics-Mesh.cppm
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@ -2,18 +2,42 @@ module;
#include <cstdint>
#include <vulkan/vulkan.h>
#include <cstring>
#include <iostream>
export module Crafter.Graphics:Mesh;
import Crafter.Component;
import :VulkanBuffer;
namespace Crafter {
export template <typename VertexType>
class Mesh {
class Mesh : public Component {
public:
std::uint32_t vertexCount;
std::uint32_t indexCount;
Buffer<VertexType> verticies;
Buffer<std::uint32_t> indicies;
Mesh(std::uint32_t vertexCount, std::uint32_t indexCount) : verticies(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, vertexCount), indicies(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, indexCount) {
Mesh(std::uint32_t vertexCount, std::uint32_t indexCount) : vertexCount(vertexCount), indexCount(indexCount), verticies(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, vertexCount), indicies(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, indexCount) {
}
static Mesh* FromAsset(const char* asset) {
std::uint32_t vertexCount = reinterpret_cast<const std::uint32_t*>(asset)[0];
std::uint32_t indexCount = reinterpret_cast<const std::uint32_t*>(asset)[1];
Mesh* mesh = new Mesh(vertexCount, (indexCount+ 63) & ~63);
const float* verticies = reinterpret_cast<const float*>(asset+sizeof(std::uint32_t)*2);
std::uint32_t counter = 0;
for(std::uint32_t i = 0; i < vertexCount*3; i+=3) {
mesh->verticies.value[counter].x = verticies[i];
mesh->verticies.value[counter].y = verticies[i+1];
mesh->verticies.value[counter].z = verticies[i+2];
mesh->verticies.value[counter].w = 1.0f;
counter++;
}
memcpy(mesh->indicies.value, asset+(sizeof(std::uint32_t)*2)+(vertexCount*sizeof(float)*3), indexCount*sizeof(std::uint32_t));
for(std::uint32_t i = indexCount; i < indexCount+(indexCount%64); i++) {
mesh->indicies.value[i] = 0;//pad indicies to nearest 64
}
return mesh;
}
};
}