61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#include "texture.hpp"
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#include <logger.h>
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#include "../config.hpp"
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#define STB_IMAGE_IMPLEMENTATION
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#include "../util/stb_image.hpp"
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GLuint Texture::LoadTextures(std::vector<std::string> textures) {
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Logger logger;
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std::string basePath = GameConfig.ResourceBase + "textures/";
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int x = 16;
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int y = 16;
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GLsizei layers = textures.size();
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GLubyte* texels = (GLubyte*)malloc(x * y * 4 * layers * sizeof(GLubyte));
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for (int i = 0; i < layers; i++) {
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std::string path = basePath + textures[i];
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int xR = 0;
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int yR = 0;
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int cR = 0;
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unsigned char* texture = stbi_load(path.c_str(), &xR, &yR, &cR, STBI_rgb_alpha);
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memcpy(texels + (i * x * y * 4), texture, x * y * 4);
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stbi_image_free(texture);
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logger << LOGGER_INFO << "Texture at '" << path << "' Loaded..." << LOGGER_ENDL;
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}
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GLuint textureArray = 0;
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glGenTextures(1, &textureArray);
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glBindTexture(GL_TEXTURE_2D_ARRAY, textureArray);
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glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA8, x, y, layers, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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glTexSubImage3D(GL_TEXTURE_2D_ARRAY, 0, 0, 0, 0, x, y, layers, GL_RGBA, GL_UNSIGNED_BYTE, texels);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glBindTexture(GL_TEXTURE_2D_ARRAY, 0);
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free(texels);
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return textureArray;
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}
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