Convert texture loading code to Zig

LodePNG replaces stb because complicated headers don't play nice with Zig.
Textures are now loaded from installed path instead of CWD too.

1 files changed, 0 insertions, 73 deletions

diff --git a/src/Textures.cpp b/src/Textures.cpp
deleted file mode 100644
index 78808a1..0000000
--- a/src/Textures.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-// Texture loader implementation
-// Copyright (C) 2021  Nguyễn Gia Phong
-//
-// This file is part of Black Shades.
-//
-// Black Shades is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published
-// by the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Black Shades is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Black Shades.  If not, see <https://www.gnu.org/licenses/>.
-
-#include <stdio.h>
-
-#define STB_IMAGE_IMPLEMENTATION
-#include <stb/stb_image.h>
-#include <GL/glu.h>
-
-#include "Textures.h"
-
-GLuint loadTexture(const char* filename_)
-{
-	// TODO: get rid of the :Data: thing
-	char filename[1024];
-	strcpy(filename, filename_+1);
-	while (true) {
-		char *c = strchr(filename, ':');
-		if (!c) break;
-		*c = '/';
-	}
-
-	int req_format = STBI_rgb_alpha;
-	int width, height, orig_format;
-	unsigned char* data = stbi_load(filename, &width, &height,
-		&orig_format, req_format);
-	if (data == nullptr) {
-		fprintf(stderr, "Loading image failed: %s\n",
-			stbi_failure_reason());
-		return 0;
-	}
-
-	GLuint tex = 0;
-	glGenTextures(1, &tex);
-	glBindTexture(GL_TEXTURE_2D, tex);
-	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-
-	GLint internal_format;
-	GLenum pixel_format;
-	if (req_format == STBI_rgb) {
-		internal_format = 3;
-		pixel_format = GL_RGB;
-	} else { // STBI_rgb_alpha (RGBA)
-		internal_format = 4;
-		pixel_format = GL_RGBA;
-	}
-
-	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-	glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0,
-		pixel_format, GL_UNSIGNED_BYTE, data);
-	gluBuild2DMipmaps(GL_TEXTURE_2D, internal_format, width, height,
-		pixel_format, GL_UNSIGNED_BYTE, data);
-
-	stbi_image_free(data);
-	return tex;
-}