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Generalize Tooltip Rendering into one function, Also add 9 slice drawing function #3276

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Merged
IntegratedQuantum merged 16 commits into from
Jul 5, 2026
Merged

Generalize Tooltip Rendering into one function, Also add 9 slice drawing function #3276

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bf36f09
Make it work
SpellDigger Jun 22, 2026
385854a
Cubyz Formatter
SpellDigger Jun 22, 2026
bf91a02
forgot mutpos exist
SpellDigger Jun 22, 2026
464c064
forgor
SpellDigger Jun 22, 2026
da5cf3f
Rename tooltip.zig to Tooltip.zig (why didnt this change)
SpellDigger Jun 22, 2026
7e4f8ed
update tooltip background
SpellDigger Jun 23, 2026
34c729d
Made Tooltip lowercase (its not a type or a component)
SpellDigger Jun 23, 2026
e887ee8
Rename Tooltip.zig to tooltip.zig
SpellDigger Jun 23, 2026
e3e902f
Reduce unecessary variables in bound9SliceImage
SpellDigger Jun 23, 2026
c00b0eb
Merge branch 'tooltip_render' of https://github.com/SpellDigger/Cubyz…
SpellDigger Jun 23, 2026
6b12ed6
Merge branch 'PixelGuys:master' into tooltip_render
SpellDigger Jun 27, 2026
4dd6279
"Small" Modifications to tooltip rendering
SpellDigger Jun 28, 2026
79b72fa
merge repeating if statement
SpellDigger Jun 28, 2026
1fd0df1
quantum changes 2
SpellDigger Jun 28, 2026
7d62c4e
fixed adjustment not considering existing position
SpellDigger Jun 28, 2026
ea4b4bc
Quantum Suggestions
SpellDigger Jul 5, 2026
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Binary file added assets/cubyz/ui/tooltip_background.png
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@IntegratedQuantum IntegratedQuantum Jun 27, 2026

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Why is this slightly transparent? I cannot see through it at all.

@SpellDigger SpellDigger Jun 27, 2026

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honestly i dont know myself i just made it like that cuz it looks nicer, i can make it non transparent or more transparent if you like, i can see through it just fine but maybe its cuz of my monitor settings

@IntegratedQuantum IntegratedQuantum Jun 27, 2026

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I would suggest to just make it opaque.

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24 changes: 24 additions & 0 deletions src/graphics.zig
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Expand Up @@ -470,6 +470,30 @@ pub const draw = struct { // MARK: draw
c.glDrawArrays(c.GL_TRIANGLE_STRIP, 0, 4);
}

fn drawSlice(destMin: Vec2f, destMax: Vec2f, uvMin: Vec2f, uvMax: Vec2f) void {
boundSubImage(destMin, destMax - destMin, uvMin, uvMax - uvMin);
}

pub fn bound9SliceImage(pos: Vec2f, dim: Vec2f, textureSize: Vec2f, slices: Vec2f, sliceScale: f32) void {
const widthSlice = slices[0]*sliceScale;
const heightSlice = slices[1]*sliceScale;

// Construct UV
const u: Vec2f = .{slices[0]/textureSize[0], (textureSize[0] - slices[0])/textureSize[0]};
const v: Vec2f = .{slices[1]/textureSize[1], (textureSize[1] - slices[1])/textureSize[1]};

// Draw all Slices
drawSlice(.{pos[0], pos[1]}, .{pos[0] + widthSlice, pos[1] + heightSlice}, .{0, 0}, .{u[0], v[0]});
drawSlice(.{pos[0] + widthSlice, pos[1]}, .{pos[0] + dim[0] - widthSlice, pos[1] + heightSlice}, .{u[0], 0}, .{u[1], v[0]});
drawSlice(.{pos[0] + dim[0] - widthSlice, pos[1]}, .{pos[0] + dim[0], pos[1] + heightSlice}, .{u[1], 0}, .{1, v[0]});
drawSlice(.{pos[0], pos[1] + heightSlice}, .{pos[0] + widthSlice, pos[1] + dim[1] - heightSlice}, .{0, v[0]}, .{u[0], v[1]});
drawSlice(.{pos[0] + widthSlice, pos[1] + heightSlice}, .{pos[0] + dim[0] - widthSlice, pos[1] + dim[1] - heightSlice}, .{u[0], v[0]}, .{u[1], v[1]});
drawSlice(.{pos[0] + dim[0] - widthSlice, pos[1] + heightSlice}, .{pos[0] + dim[0], pos[1] + dim[1] - heightSlice}, .{u[1], v[0]}, .{1, v[1]});
drawSlice(.{pos[0], pos[1] + dim[1] - heightSlice}, .{pos[0] + widthSlice, pos[1] + dim[1]}, .{0, v[1]}, .{u[0], 1});
drawSlice(.{pos[0] + widthSlice, pos[1] + dim[1] - heightSlice}, .{pos[0] + dim[0] - widthSlice, pos[1] + dim[1]}, .{u[0], v[1]}, .{u[1], 1});
drawSlice(.{pos[0] + dim[0] - widthSlice, pos[1] + dim[1] - heightSlice}, .{pos[0] + dim[0], pos[1] + dim[1]}, .{u[1], v[1]}, .{1, 1});
}

pub fn customShadedImage(uniforms: anytype, _pos: Vec2f, _dim: Vec2f) void {
var pos = _pos;
var dim = _dim;
Expand Down
23 changes: 6 additions & 17 deletions src/gui/components/Button.zig
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Expand Up @@ -162,23 +162,12 @@ pub fn render(self: *Button, mousePosition: Vec2f) void {
self.hovered = false;
draw.customShadedRect(buttonUniforms, self.pos + Vec2f{2, 2}, self.size - Vec2f{4, 4});
}
{ // Draw the outline using the 9-slice texture.
const cornerSize = (textures.outlineTextureSize - Vec2f{1, 1});
const cornerSizeUV = (textures.outlineTextureSize - Vec2f{1, 1})/Vec2f{2, 2}/textures.outlineTextureSize;
const lowerTexture = (textures.outlineTextureSize - Vec2f{1, 1})/Vec2f{2, 2}/textures.outlineTextureSize;
const upperTexture = (textures.outlineTextureSize + Vec2f{1, 1})/Vec2f{2, 2}/textures.outlineTextureSize;
textures.outlineTexture.bindTo(0);
// Corners:
graphics.draw.boundSubImage(self.pos + Vec2f{0, 0}, cornerSize, .{0, 0}, cornerSizeUV);
graphics.draw.boundSubImage(self.pos + Vec2f{self.size[0], 0} - Vec2f{cornerSize[0], 0}, cornerSize, .{upperTexture[0], 0}, cornerSizeUV);
graphics.draw.boundSubImage(self.pos + Vec2f{0, self.size[1]} - Vec2f{0, cornerSize[1]}, cornerSize, .{0, upperTexture[1]}, cornerSizeUV);
graphics.draw.boundSubImage(self.pos + self.size - cornerSize, cornerSize, upperTexture, cornerSizeUV);
// Edges:
graphics.draw.boundSubImage(self.pos + Vec2f{cornerSize[0], 0}, Vec2f{self.size[0] - 2*cornerSize[0], cornerSize[1]}, .{lowerTexture[0], 0}, .{upperTexture[0] - lowerTexture[0], cornerSizeUV[1]});
graphics.draw.boundSubImage(self.pos + Vec2f{cornerSize[0], self.size[1] - cornerSize[1]}, Vec2f{self.size[0] - 2*cornerSize[0], cornerSize[1]}, .{lowerTexture[0], upperTexture[1]}, .{upperTexture[0] - lowerTexture[0], cornerSizeUV[1]});
graphics.draw.boundSubImage(self.pos + Vec2f{0, cornerSize[1]}, Vec2f{cornerSize[0], self.size[1] - 2*cornerSize[1]}, .{0, lowerTexture[1]}, .{cornerSizeUV[0], upperTexture[1] - lowerTexture[1]});
graphics.draw.boundSubImage(self.pos + Vec2f{self.size[0] - cornerSize[0], cornerSize[1]}, Vec2f{cornerSize[0], self.size[1] - 2*cornerSize[1]}, .{upperTexture[0], lowerTexture[1]}, .{cornerSizeUV[0], upperTexture[1] - lowerTexture[1]});
}

const cornerSize = (textures.outlineTextureSize - Vec2f{1, 1})/Vec2f{2, 2};

textures.outlineTexture.bindTo(0);
graphics.draw.bound9SliceImage(self.pos, self.size, textures.outlineTextureSize, cornerSize, 2);

const oldColor = draw.setColor(if (self.disabled) 0xff808080 else 0xffffffff);
defer draw.restoreColor(oldColor);
const textPos = self.pos + self.size/@as(Vec2f, @splat(2.0)) - self.child.size()/@as(Vec2f, @splat(2.0));
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37 changes: 5 additions & 32 deletions src/gui/gui.zig
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Expand Up @@ -23,6 +23,7 @@ const gui_component = @import("gui_component.zig");
pub const GuiComponent = gui_component.GuiComponent;
pub const GuiWindow = @import("GuiWindow.zig");

pub const tooltip = @import("tooltip.zig");
pub const windowlist = @import("windows/_list.zig");
const gamepad_cursor = @import("gamepad_cursor.zig");

Expand Down Expand Up @@ -147,6 +148,7 @@ pub fn init() void { // MARK: init()
ContinuousSlider.globalInit();
DiscreteSlider.globalInit();
TextInput.globalInit();
tooltip.globalInit();
load();
gamepad_cursor.init();
}
Expand All @@ -167,6 +169,7 @@ pub fn deinit() void {
ContinuousSlider.globalDeinit();
DiscreteSlider.globalDeinit();
TextInput.globalDeinit();
tooltip.globalDeinit();
inline for (@typeInfo(windowlist).@"struct".decls) |decl| {
const WindowStruct = @field(windowlist, decl.name);
if (@hasDecl(WindowStruct, "deinit")) {
Expand Down Expand Up @@ -784,38 +787,8 @@ pub const inventory = struct { // MARK: inventory
// Draw tooltip:
const hovered = hoveredItemSlot orelse return;
if (carried.getAmount(0) == 0) {
if (hovered.inventory.getItem(hovered.itemSlot).getTooltip()) |tooltip| {
var textBuffer = graphics.TextBuffer.init(main.stackAllocator, tooltip, .{}, false, .left);
defer textBuffer.deinit();
const fontSize = 16;
var size = textBuffer.calculateLineBreaks(fontSize, 300);
size[0] = 0;
for (textBuffer.lineBreaks.items) |lineBreak| {
size[0] = @max(size[0], lineBreak.width);
}
const windowSize = main.Window.getWindowSize()/@as(Vec2f, @splat(scale));
const xOffset = 18;
const padding: f32 = 1;
const border: f32 = padding + 1;
var pos = mousePos;
if (pos[0] + size[0] + border + xOffset >= windowSize[0]) {
pos[0] -= size[0] + xOffset;
} else {
pos[0] += xOffset;
}
pos[1] = @min(pos[1] - fontSize, windowSize[1] - size[1] - border);
pos = @max(pos, Vec2f{border, border});
{
const oldColor = draw.setColor(0xffffff00);
defer draw.restoreColor(oldColor);
draw.rect(pos - @as(Vec2f, @splat(border)), size + @as(Vec2f, @splat(2*border)));
}
{
const oldColor = draw.setColor(0xff000000);
defer draw.restoreColor(oldColor);
draw.rect(pos - @as(Vec2f, @splat(padding)), size + @as(Vec2f, @splat(2*padding)));
}
textBuffer.render(pos[0], pos[1], fontSize);
if (hovered.inventory.getItem(hovered.itemSlot).getTooltip()) |tooltipContent| {
tooltip.renderFromText(tooltipContent, mousePos);
}
}
}
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64 changes: 64 additions & 0 deletions src/gui/tooltip.zig
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@@ -0,0 +1,64 @@
const std = @import("std");

const main = @import("main");
const graphics = main.graphics;
const draw = graphics.draw;
const Texture = graphics.Texture;
const vec = main.vec;
const Vec2f = vec.Vec2f;
const Vec4f = vec.Vec4f;
const gui = main.gui;
const GuiComponent = gui.GuiComponent;

var tooltipTexture: Texture = undefined;
var cornerSize: Vec2f = undefined;

const fontSize: f32 = 16;
const offsetFromMouse: f32 = 4;

pub fn globalInit() void {
tooltipTexture = Texture.initFromFile("assets/cubyz/ui/tooltip_background.png");
cornerSize = (@as(Vec2f, @floatFromInt(tooltipTexture.size())) - Vec2f{1, 1})/Vec2f{2, 2};
}

pub fn globalDeinit() void {
tooltipTexture.deinit();
}

pub fn render(guiComponent: *GuiComponent, pos: Vec2f) void {
const size = guiComponent.size() + Vec2f{cornerSize[0]*2, cornerSize[1]*2};
tooltipTexture.bindTo(0);

const windowSize = main.Window.getWindowSize()/@as(Vec2f, @splat(gui.scale));
var renderPos = pos + Vec2f{offsetFromMouse, 0};
if (renderPos[0] + size[0] > windowSize[0]) {
renderPos = pos - Vec2f{size[0] + cornerSize[0]*2, 0};
}
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renderPos = @max(Vec2f{0, 0}, renderPos);
if (renderPos[1] + size[1] > windowSize[1]) {
renderPos[1] += windowSize[1] - (renderPos[1] + size[1]);
}

draw.bound9SliceImage(renderPos, size, @floatFromInt(tooltipTexture.size()), cornerSize, 1);

const adjustment = renderPos - guiComponent.pos() + Vec2f{cornerSize[0], cornerSize[1]};
const oldTranslation = draw.setTranslation(adjustment);
defer draw.restoreTranslation(oldTranslation);
const oldClip = draw.setClip(guiComponent.size());
defer draw.restoreClip(oldClip);
guiComponent.render(guiComponent.pos());
}

pub fn renderFromText(text: []const u8, pos: Vec2f) void {
var label = GuiComponent.Label.init(Vec2f{0, 0}, 300, text, .left);
defer label.deinit();
var size = label.text.calculateLineBreaks(fontSize, 300);
size[0] = 0;
for (label.text.lineBreaks.items) |lineBreak| {
size[0] = @max(size[0], lineBreak.width);
}
label.size = size;

var component = label.toComponent();
render(&component, pos);
}
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