Adapted Escape the Dawn engine.

src/CubemapTexture.cpp

@@ -0,0 +1,59 @@
+#include "PrecompiledHeader.h"
+#include "CubemapTexture.h"
+
+CubemapTexture::CubemapTexture(std::string posXFile, std::string negXFile, std::string posYFile, std::string negYFile, std::string posZFile, std::string negZFile)
+{
+	m_Loaded = false;
+	m_Texture = 0;
+	m_TextureFiles[0] = posXFile;
+	m_TextureFiles[1] = negXFile;
+	m_TextureFiles[2] = posYFile;
+	m_TextureFiles[3] = negYFile;
+	m_TextureFiles[4] = posZFile;
+	m_TextureFiles[5] = negZFile;
+}
+
+CubemapTexture::~CubemapTexture()
+{
+	if (m_Texture != 0) {
+		//glDeleteTextures(1, &m_Texture);
+	}
+}
+
+void CubemapTexture::Load()
+{
+	m_Loaded = true;
+
+	m_Texture = SOIL_load_OGL_cubemap(
+		m_TextureFiles[0].c_str(),
+		m_TextureFiles[1].c_str(),
+		m_TextureFiles[2].c_str(),
+		m_TextureFiles[3].c_str(),
+		m_TextureFiles[4].c_str(),
+		m_TextureFiles[5].c_str(),
+		SOIL_LOAD_AUTO,
+		SOIL_CREATE_NEW_ID,
+		0);
+
+	if (m_Texture == 0) {
+		LOG_ERROR("SOIL cubemap loading error: %s", SOIL_last_result());
+		return;
+	}
+
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+}
+
+void CubemapTexture::Bind(GLenum textureUnit)
+{
+	if (!m_Loaded) {
+		LOG_WARNING("Cubemap \"%s\" was not loaded before being bound! Attempting to load now...", m_TextureFiles[0].c_str());
+		Load();
+	}
+
+	glActiveTexture(textureUnit);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, m_Texture);
+}