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Cleanup raylib renderer

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FourteenBrush 2024-08-31 20:59:11 +02:00
parent 732ae76ef7
commit d50f021f0c
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1 changed files with 141 additions and 154 deletions
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35
bindings/odin/examples/clay-official-website/clay_renderer_raylib.odin
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@ -2,6 +2,7 @@ package main
import clay "../../clay-odin" import clay "../../clay-odin"
import "core:math" import "core:math"
import "core:strings"
import "vendor:raylib" import "vendor:raylib"
RaylibFont :: struct { RaylibFont :: struct {
@ -22,16 +23,16 @@ measureText :: proc "c" (text: ^clay.String, config: ^clay.TextElementConfig) ->
maxTextWidth: f32 = 0 maxTextWidth: f32 = 0
lineTextWidth: f32 = 0 lineTextWidth: f32 = 0
textHeight: f32 = cast(f32)config.fontSize textHeight := cast(f32)config.fontSize
fontToUse := raylibFonts[config.fontId].font fontToUse := raylibFonts[config.fontId].font
for i := 0; i < cast(int)text.length; i += 1 { for i in 0..<int(text.length) {
if (text.chars[i] == '\n') { if (text.chars[i] == '\n') {
maxTextWidth = math.max(maxTextWidth, lineTextWidth) maxTextWidth = max(maxTextWidth, lineTextWidth)
lineTextWidth = 0 lineTextWidth = 0
continue continue
} }
index: i32 = cast(i32)text.chars[i] - 32 index := cast(i32)text.chars[i] - 32
if (fontToUse.glyphs[index].advanceX != 0) { if (fontToUse.glyphs[index].advanceX != 0) {
lineTextWidth += cast(f32)fontToUse.glyphs[index].advanceX lineTextWidth += cast(f32)fontToUse.glyphs[index].advanceX
} else { } else {
@ -39,7 +40,7 @@ measureText :: proc "c" (text: ^clay.String, config: ^clay.TextElementConfig) ->
} }
} }
maxTextWidth = math.max(maxTextWidth, lineTextWidth) maxTextWidth = max(maxTextWidth, lineTextWidth)
textSize.width = maxTextWidth / 2 textSize.width = maxTextWidth / 2
textSize.height = textHeight textSize.height = textHeight
@ -48,20 +49,19 @@ measureText :: proc "c" (text: ^clay.String, config: ^clay.TextElementConfig) ->
} }
clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand)) { clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand)) {
for i := 0; i < cast(int)renderCommands.length; i += 1 { for i in 0..<int(renderCommands.length) {
renderCommand := clay.RenderCommandArray_Get(renderCommands, cast(i32)i) renderCommand := clay.RenderCommandArray_Get(renderCommands, cast(i32)i)
boundingBox := renderCommand.boundingBox boundingBox := renderCommand.boundingBox
switch (renderCommand.commandType) switch (renderCommand.commandType) {
{
case clay.RenderCommandType.None: case clay.RenderCommandType.None:
{} {}
case clay.RenderCommandType.Text: case clay.RenderCommandType.Text:
{
// Raylib uses standard C strings so isn't compatible with cheap slices, we need to clone the string to append null terminator // Raylib uses standard C strings so isn't compatible with cheap slices, we need to clone the string to append null terminator
text := renderCommand.text text := renderCommand.text
cloned := make([]u8, text.length + 1, context.temp_allocator) cloned := make([]u8, text.length + 1, context.temp_allocator)
copy(cloned[0:text.length], text.chars[0:text.length]) copy(cloned[:text.length], text.chars[:text.length])
cloned[text.length] = 0 cloned[text.length] = 0
fontToUse: raylib.Font = raylibFonts[renderCommand.config.textElementConfig.fontId].font fontToUse: raylib.Font = raylibFonts[renderCommand.config.textElementConfig.fontId].font
raylib.DrawTextEx( raylib.DrawTextEx(
fontToUse, fontToUse,
@ -71,31 +71,23 @@ clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand)) {
cast(f32)renderCommand.config.textElementConfig.letterSpacing, cast(f32)renderCommand.config.textElementConfig.letterSpacing,
clayColorToRaylibColor(renderCommand.config.textElementConfig.textColor), clayColorToRaylibColor(renderCommand.config.textElementConfig.textColor),
) )
}
case clay.RenderCommandType.Image: case clay.RenderCommandType.Image:
{
// TODO image handling // TODO image handling
imageTexture := cast(^raylib.Texture2D)renderCommand.config.imageElementConfig.imageData imageTexture := cast(^raylib.Texture2D)renderCommand.config.imageElementConfig.imageData
raylib.DrawTextureEx(imageTexture^, raylib.Vector2{boundingBox.x, boundingBox.y}, 0, boundingBox.width / cast(f32)imageTexture.width, raylib.WHITE) raylib.DrawTextureEx(imageTexture^, raylib.Vector2{boundingBox.x, boundingBox.y}, 0, boundingBox.width / cast(f32)imageTexture.width, raylib.WHITE)
}
case clay.RenderCommandType.ScissorStart: case clay.RenderCommandType.ScissorStart:
{
raylib.BeginScissorMode( raylib.BeginScissorMode(
cast(i32)math.round(boundingBox.x), cast(i32)math.round(boundingBox.x),
cast(i32)math.round(boundingBox.y), cast(i32)math.round(boundingBox.y),
cast(i32)math.round(boundingBox.width), cast(i32)math.round(boundingBox.width),
cast(i32)math.round(boundingBox.height), cast(i32)math.round(boundingBox.height),
) )
}
case clay.RenderCommandType.ScissorEnd: case clay.RenderCommandType.ScissorEnd:
{
raylib.EndScissorMode() raylib.EndScissorMode()
}
case clay.RenderCommandType.Rectangle: case clay.RenderCommandType.Rectangle:
{
config: ^clay.RectangleElementConfig = renderCommand.config.rectangleElementConfig config: ^clay.RectangleElementConfig = renderCommand.config.rectangleElementConfig
if (config.cornerRadius.topLeft > 0) { if (config.cornerRadius.topLeft > 0) {
radius: f32 = (config.cornerRadius.topLeft * 2) / (boundingBox.width > boundingBox.height ? boundingBox.height : boundingBox.width) radius: f32 = (config.cornerRadius.topLeft * 2) / min(boundingBox.width, boundingBox.height)
raylib.DrawRectangleRounded( raylib.DrawRectangleRounded(
raylib.Rectangle{boundingBox.x, boundingBox.y, boundingBox.width, boundingBox.height}, raylib.Rectangle{boundingBox.x, boundingBox.y, boundingBox.width, boundingBox.height},
radius, radius,
@ -111,9 +103,7 @@ clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand)) {
clayColorToRaylibColor(config.color), clayColorToRaylibColor(config.color),
) )
} }
}
case clay.RenderCommandType.Border: case clay.RenderCommandType.Border:
{
config := renderCommand.config.borderElementConfig config := renderCommand.config.borderElementConfig
// Left border // Left border
if (config.left.width > 0) { if (config.left.width > 0) {
@ -205,11 +195,8 @@ clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand)) {
clayColorToRaylibColor(config.bottom.color), clayColorToRaylibColor(config.bottom.color),
) )
} }
}
case clay.RenderCommandType.Custom: case clay.RenderCommandType.Custom:
{
// Implement custom element rendering here // Implement custom element rendering here
} }
} }
} }
}