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package io.polyfrost.oneconfig.themes;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.texture.DynamicTexture;
import net.minecraft.util.ResourceLocation;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import static io.polyfrost.oneconfig.themes.Themes.themeLog;
public class TextureManager {
private static final Minecraft mc = Minecraft.getMinecraft();
private final List<ResourceLocation> resources = new ArrayList<>();
private final List<ThemeElement> tickableTextureLocations = new ArrayList<>();
private final HashMap<Integer, Integer> tickableTextures = new HashMap<>();
private int tick = 0;
/**
* Create a new texture manager for this theme, used for drawing of icons, etc.
*/
public TextureManager(Theme theme) {
for(ThemeElement element : ThemeElement.values()) {
BufferedImage img;
try {
img = ImageIO.read(theme.getResource(element.location));
} catch (Exception e) {
themeLog.error("failed to get themed texture: " + element.location + ", having to fallback to default one. Is pack invalid?");
img = new BufferedImage(128,128,BufferedImage.TYPE_INT_ARGB);
// TODO add fallback
}
ResourceLocation location = mc.getTextureManager().getDynamicTextureLocation(element.location, new DynamicTexture(img));
resources.add(location);
if(img.getWidth() != element.size) {
themeLog.warn("Theme element " + element.name() + " with size " + img.getWidth() + "px is not recommended, expected " + element.size + "px. Continuing anyway.");
}
if(img.getWidth() != img.getHeight()) {
themeLog.info("found tickable animated texture (" + element.name() + "). Loading texture");
tickableTextureLocations.add(element);
tickableTextures.put(img.getWidth(), img.getHeight());
}
}
}
/**
* Draw the specified icon at the coordinates, scaled to the width and height.
* @param element element to draw
* @param x x coordinate (top left)
* @param y y coordinate (top left)
* @param width width of the image
* @param height height of the image
*/
public void draw(ThemeElement element, int x, int y, int width, int height) {
GlStateManager.enableBlend();
GlStateManager.color(1f, 1f, 1f, 1f);
ResourceLocation location = resources.get(element.ordinal());
mc.getTextureManager().bindTexture(location);
try {
if(tickableTextureLocations.contains(element)) {
int texWidth = tickableTextures.keySet().stream().findFirst().get(); // TODO unsure if this works safe
int texHeight = tickableTextures.values().stream().findFirst().get();
int frames = texHeight / texWidth;
while(tick < frames) {
Gui.drawModalRectWithCustomSizedTexture(x, y, 0, (tick * texWidth), texWidth, texWidth, texWidth, texWidth);
tick++;
if(tick == frames) {
tick = 0;
}
}
} else {
Gui.drawScaledCustomSizeModalRect(x, y, 0, 0, width, height, width, height, width, height);
}
} catch (Exception e) {
themeLog.error("Error occurred drawing texture " + element.name() + ", is theme invalid?", e);
}
}
}
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