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AppleCore compat
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@glowredman
glowredman committed Dec 17, 2024
1 parent 12979a3 commit be10875
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Showing 2 changed files with 140 additions and 86 deletions.
8 changes: 7 additions & 1 deletion src/main/java/com/gtnewhorizon/gtnhlib/client/event/RenderTooltipEvent.java
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Expand Up @@ -7,7 +7,9 @@
import javax.annotation.Nullable;

import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.Gui;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.common.MinecraftForge;
Expand Down Expand Up @@ -104,12 +106,16 @@ public class RenderTooltipEvent extends Event {
* Optional hook to completely replace the rendering code. Will be used instead of the vanilla code if no
* {@code null}. The provided argument is the text to render.
* <p>
* <b>Note:</b> The usage may break compat with other mods, for example AppleCore!
* <p>
* Default value: {@code null}
*
* @apiNote The following GL states will be disabled before calling this hook: {@link GL12#GL_RESCALE_NORMAL},
* {@link GL11#GL_LIGHTING}, {@link GL11#GL_LIGHT0}, {@link GL11#GL_LIGHT1},
* {@link GL11#GL_COLOR_MATERIAL}, {@link GL11#GL_DEPTH_TEST}. They will be re-enabled after the hook is
* called.
* called. {@link Gui#zLevel GuiScreen.zLevel} and {@link RenderItem#zLevel GuiScreen.itemRender.zLevel}
* must be set/reset by the hook! An <a
* href=https://forge.gemwire.uk/wiki/Access_Transformers>AccessTransformer</a> may be needed for this.
*/
@Nullable
public Consumer<List<String>> alternativeRenderer;
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218 changes: 133 additions & 85 deletions src/main/java/com/gtnewhorizon/gtnhlib/mixins/early/MixinGuiScreen.java
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Expand Up @@ -15,116 +15,164 @@
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Overwrite;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;

import com.gtnewhorizon.gtnhlib.client.event.RenderTooltipEvent;
import com.llamalad7.mixinextras.sugar.Local;

@Mixin(GuiScreen.class)
// This mixin must run before AppleCore's GuiScreenMixin because we're using an @Overwrite
@Mixin(priority = 999, value = GuiScreen.class)
public class MixinGuiScreen extends Gui {

@Unique
private ItemStack gtnhlib$currentStack;

@Shadow
protected static RenderItem itemRender;
@Shadow
public int width;
@Shadow
public int height;

@Redirect(
at = @At(
remap = false,
target = "Lnet/minecraft/client/gui/GuiScreen;drawHoveringText(Ljava/util/List;IILnet/minecraft/client/gui/FontRenderer;)V",
value = "INVOKE"),
method = "renderToolTip")
protected void gtnhlib$drawHoveringText(GuiScreen instance, List<String> textLines, int x, int y, FontRenderer font,
@Local(argsOnly = true) ItemStack itemIn) {
if (textLines.isEmpty()) return;

RenderTooltipEvent event = new RenderTooltipEvent(
itemIn,
instance,
ORIGINAL_BG_START,
ORIGINAL_BG_END,
ORIGINAL_BORDER_START,
ORIGINAL_BORDER_END,
x,
y,
font);
MinecraftForge.EVENT_BUS.post(event);
if (event.isCanceled()) return;

// setup GL states
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
RenderHelper.disableStandardItemLighting();
GL11.glDisable(GL11.GL_DEPTH_TEST);
itemRender.zLevel = 300.0F;
this.zLevel = 300.0F;

if (event.alternativeRenderer == null) {
// determine max line width
font = event.font;
int maxLineWidth = 0;
for (String line : textLines) {
int lineWidth = font.getStringWidth(line);
if (lineWidth > maxLineWidth) {
maxLineWidth = lineWidth;
@Inject(at = @At("HEAD"), method = "renderToolTip")
private void preRenderToolTip(ItemStack itemIn, int x, int y, CallbackInfo ci) {
this.gtnhlib$currentStack = itemIn;
}

@Inject(at = @At("TAIL"), method = "renderToolTip")
private void postRenderToolTip(CallbackInfo ci) {
this.gtnhlib$currentStack = null;
}

/**
* @author glowredman
* @reason Add RenderTooltipEvent
*/
@Overwrite(remap = false)
protected void drawHoveringText(List<String> textLines, int mouseX, int mouseY, FontRenderer font) {
if (!textLines.isEmpty()) {
// spotless:off
/****************************************************************************************************************************************
* IMPORTANT NOTE: *
* Thes int variables width, lineWidth, x, y and height must stay in this order and no other int variables may be inserted before them. *
* This due to compat with AppleCore. *
* *
* The potentially conflicting mixin can be found here: *
* https://github.com/GTNewHorizons/AppleCore/blob/master/src/main/java/squeek/applecore/mixins/early/minecraft/GuiScreenMixin.java *
****************************************************************************************************************************************/
// spotless:on

// create event
RenderTooltipEvent event = new RenderTooltipEvent(
this.gtnhlib$currentStack,
(GuiScreen) (Object) this,
ORIGINAL_BG_START,
ORIGINAL_BG_END,
ORIGINAL_BORDER_START,
ORIGINAL_BORDER_END,
mouseX,
mouseY,
font);

// post event if called from renderToolTip
if (this.gtnhlib$currentStack != null) {
MinecraftForge.EVENT_BUS.post(event);
if (event.isCanceled()) {
// skip all rendering
return;
}
}

// calculate coords
x = event.x + 12;
y = event.y - 12;
int height = 8;
// set GL states
GL11.glDisable(GL12.GL_RESCALE_NORMAL);
RenderHelper.disableStandardItemLighting();
GL11.glDisable(GL11.GL_LIGHTING);
GL11.glDisable(GL11.GL_DEPTH_TEST);

if (event.alternativeRenderer == null) {
// re-assign variables because they might have been modified by an event handler
mouseX = event.x;
mouseY = event.y;
font = event.font;

// determine max line width
int width = 0;
for (String s : textLines) {
int lineWidth = font.getStringWidth(s);
if (lineWidth > width) {
width = lineWidth;
}
}

if (textLines.size() > 1) {
height += 2 + (textLines.size() - 1) * 10;
}
// calculate coordinates
int x = mouseX + 12;
int y = mouseY - 12;
int height = 8;

if (x + maxLineWidth > this.width) {
x -= 28 + maxLineWidth;
}
if (textLines.size() > 1) {
height += 2 + (textLines.size() - 1) * 10;
}

if (y + height + 6 > this.height) {
y = this.height - height - 6;
}
if (x + width > this.width) {
x -= 28 + width;
}

int backgroundStart = event.backgroundStart;
int backgroundEnd = event.backgroundEnd;
int borderStart = event.borderStart;
int borderEnd = event.borderEnd;
if (y + height + 6 > this.height) {
y = this.height - height - 6;
}

// spotless:off
// draw outer border
this.drawGradientRect(x - 4, y - 3, x - 3, y + height + 3, backgroundStart, backgroundEnd); // left
this.drawGradientRect(x + maxLineWidth + 3, y - 3, x + maxLineWidth + 4, y + height + 3, backgroundStart, backgroundEnd); // right
this.drawGradientRect(x - 3, y - 4, x + maxLineWidth + 3, y - 3, backgroundStart, backgroundStart); // top
this.drawGradientRect(x - 3, y + height + 3, x + maxLineWidth + 3, y + height + 4, backgroundEnd, backgroundEnd); // bottom
// draw middle
this.drawGradientRect(x - 3, y - 3, x + maxLineWidth + 3, y + height + 3, backgroundStart, backgroundEnd);
// draw inner border
this.drawGradientRect(x - 3, y - 2, x - 2, y + height + 2, borderStart, borderEnd); // left
this.drawGradientRect(x + maxLineWidth + 2, y - 2, x + maxLineWidth + 3, y + height + 2, borderStart, borderEnd); // right
this.drawGradientRect(x - 3, y - 3, x + maxLineWidth + 3, y - 2, borderStart, borderStart); // top
this.drawGradientRect(x - 3, y + height + 2, x + maxLineWidth + 3, y + height + 3, borderEnd, borderEnd); // bottom
// spotless:on
// set Z level
this.zLevel = 300.0F;
itemRender.zLevel = 300.0F;

int backgroundStart = event.backgroundStart;
int backgroundEnd = event.backgroundEnd;
int borderStart = event.borderStart;
int borderEnd = event.borderEnd;

// spotless:off
// draw background
this.drawGradientRect(x - 3, y - 4, x + width + 3, y - 3, backgroundStart, backgroundStart); // top
this.drawGradientRect(x - 3, y + height + 3, x + width + 3, y + height + 4, backgroundEnd, backgroundEnd); // bottom
this.drawGradientRect(x - 3, y - 3, x + width + 3, y + height + 3, backgroundStart, backgroundEnd); // middle
this.drawGradientRect(x - 4, y - 3, x - 3, y + height + 3, backgroundStart, backgroundEnd); // left
this.drawGradientRect(x + width + 3, y - 3, x + width + 4, y + height + 3, backgroundStart, backgroundEnd); // right
// draw inner border
this.drawGradientRect(x - 3, y - 2, x - 2, y + height + 2, borderStart, borderEnd); // left
this.drawGradientRect(x + width + 2, y - 2, x + width + 3, y + height + 2, borderStart, borderEnd); // right
this.drawGradientRect(x - 3, y - 3, x + width + 3, y - 2, borderStart, borderStart); // top
this.drawGradientRect(x - 3, y + height + 2, x + width + 3, y + height + 3, borderEnd, borderEnd); // bottom
// spotless:on

// draw text
for (int i = 0; i < textLines.size(); i++) {
String s = textLines.get(i);
font.drawStringWithShadow(s, x, y, -1);

// increase Y coordinate
if (i == 0) {
y += 2;
}
y += 10;
}

// draw lines
for (int i = 0; i < textLines.size(); i++) {
font.drawStringWithShadow(textLines.get(i), x, y, -1);
y += i == 0 ? 12 : 10;
// reset Z level
this.zLevel = 0.0F;
itemRender.zLevel = 0.0F;
} else {
event.alternativeRenderer.accept(textLines);
}
} else {
event.alternativeRenderer.accept(textLines);
}

// reset GL states
this.zLevel = 0.0F;
itemRender.zLevel = 0.0F;
GL11.glEnable(GL11.GL_DEPTH_TEST);
RenderHelper.enableStandardItemLighting();
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
// reset GL states
GL11.glEnable(GL11.GL_LIGHTING);
GL11.glEnable(GL11.GL_DEPTH_TEST);
RenderHelper.enableStandardItemLighting();
GL11.glEnable(GL12.GL_RESCALE_NORMAL);
}
}

}

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