[Bindings/Odin] Odin Raylib renderer rewrite (#395)

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Rats 2025-04-30 21:31:05 -05:00 committed by GitHub
parent 970919e1fb
commit ea8288158e
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2 changed files with 145 additions and 135 deletions

View File

@ -475,11 +475,11 @@ createLayout :: proc(lerpValue: f32) -> clay.ClayArray(clay.RenderCommand) {
}
loadFont :: proc(fontId: u16, fontSize: u16, path: cstring) {
raylibFonts[fontId] = RaylibFont {
assign_at(&raylib_fonts,fontId,Raylib_Font{
font = raylib.LoadFontEx(path, cast(i32)fontSize * 2, nil, 0),
fontId = cast(u16)fontId,
}
raylib.SetTextureFilter(raylibFonts[fontId].font.texture, raylib.TextureFilter.TRILINEAR)
})
raylib.SetTextureFilter(raylib_fonts[fontId].font.texture, raylib.TextureFilter.TRILINEAR)
}
errorHandler :: proc "c" (errorData: clay.ErrorData) {
@ -493,7 +493,7 @@ main :: proc() {
memory := make([^]u8, minMemorySize)
arena: clay.Arena = clay.CreateArenaWithCapacityAndMemory(minMemorySize, memory)
clay.Initialize(arena, {cast(f32)raylib.GetScreenWidth(), cast(f32)raylib.GetScreenHeight()}, { handler = errorHandler })
clay.SetMeasureTextFunction(measureText, nil)
clay.SetMeasureTextFunction(measure_text, nil)
raylib.SetConfigFlags({.VSYNC_HINT, .WINDOW_RESIZABLE, .MSAA_4X_HINT})
raylib.InitWindow(windowWidth, windowHeight, "Raylib Odin Example")
@ -536,7 +536,7 @@ main :: proc() {
clay.SetLayoutDimensions({cast(f32)raylib.GetScreenWidth(), cast(f32)raylib.GetScreenHeight()})
renderCommands: clay.ClayArray(clay.RenderCommand) = createLayout(animationLerpValue < 0 ? (animationLerpValue + 1) : (1 - animationLerpValue))
raylib.BeginDrawing()
clayRaylibRender(&renderCommands)
clay_raylib_render(&renderCommands)
raylib.EndDrawing()
}
}

View File

@ -3,185 +3,164 @@ package main
import clay "../../clay-odin"
import "core:math"
import "core:strings"
import "vendor:raylib"
import rl "vendor:raylib"
RaylibFont :: struct {
Raylib_Font :: struct {
fontId: u16,
font: raylib.Font,
font: rl.Font,
}
clayColorToRaylibColor :: proc(color: clay.Color) -> raylib.Color {
return raylib.Color{cast(u8)color.r, cast(u8)color.g, cast(u8)color.b, cast(u8)color.a}
clay_color_to_rl_color :: proc(color: clay.Color) -> rl.Color {
return {u8(color.r), u8(color.g), u8(color.b), u8(color.a)}
}
raylibFonts := [10]RaylibFont{}
raylib_fonts := [dynamic]Raylib_Font{}
measureText :: proc "c" (text: clay.StringSlice, config: ^clay.TextElementConfig, userData: rawptr) -> clay.Dimensions {
// Measure string size for Font
textSize: clay.Dimensions = {0, 0}
measure_text :: proc "c" (text: clay.StringSlice, config: ^clay.TextElementConfig, userData: rawptr) -> clay.Dimensions {
line_width: f32 = 0
maxTextWidth: f32 = 0
lineTextWidth: f32 = 0
font := raylib_fonts[config.fontId].font
textHeight := cast(f32)config.fontSize
fontToUse := raylibFonts[config.fontId].font
for i in 0 ..< text.length {
glyph_index := text.chars[i] - 32
for i in 0 ..< int(text.length) {
if (text.chars[i] == '\n') {
maxTextWidth = max(maxTextWidth, lineTextWidth)
lineTextWidth = 0
continue
}
index := cast(i32)text.chars[i] - 32
if (fontToUse.glyphs[index].advanceX != 0) {
lineTextWidth += cast(f32)fontToUse.glyphs[index].advanceX
glyph := font.glyphs[glyph_index]
if glyph.advanceX != 0 {
line_width += f32(glyph.advanceX)
} else {
lineTextWidth += (fontToUse.recs[index].width + cast(f32)fontToUse.glyphs[index].offsetX)
line_width += font.recs[glyph_index].width + f32(glyph.offsetX)
}
}
maxTextWidth = max(maxTextWidth, lineTextWidth)
textSize.width = maxTextWidth / 2
textSize.height = textHeight
return textSize
return {width = line_width / 2, height = f32(config.fontSize)}
}
clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand), allocator := context.temp_allocator) {
for i in 0 ..< int(renderCommands.length) {
renderCommand := clay.RenderCommandArray_Get(renderCommands, cast(i32)i)
boundingBox := renderCommand.boundingBox
switch (renderCommand.commandType) {
case clay.RenderCommandType.None:
{}
case clay.RenderCommandType.Text:
config := renderCommand.renderData.text
// Raylib uses standard C strings so isn't compatible with cheap slices, we need to clone the string to append null terminator
clay_raylib_render :: proc(render_commands: ^clay.ClayArray(clay.RenderCommand), allocator := context.temp_allocator) {
for i in 0 ..< render_commands.length {
render_command := clay.RenderCommandArray_Get(render_commands, i)
bounds := render_command.boundingBox
switch render_command.commandType {
case .None: // None
case .Text:
config := render_command.renderData.text
text := string(config.stringContents.chars[:config.stringContents.length])
cloned := strings.clone_to_cstring(text, allocator)
fontToUse: raylib.Font = raylibFonts[config.fontId].font
raylib.DrawTextEx(
fontToUse,
cloned,
raylib.Vector2{boundingBox.x, boundingBox.y},
cast(f32)config.fontSize,
cast(f32)config.letterSpacing,
clayColorToRaylibColor(config.textColor),
)
case clay.RenderCommandType.Image:
config := renderCommand.renderData.image
tintColor := config.backgroundColor
if (tintColor.rgba == 0) {
tintColor = { 255, 255, 255, 255 }
// Raylib uses C strings instead of Odin strings, so we need to clone
// Assume this will be freed elsewhere since we default to the temp allocator
cstr_text := strings.clone_to_cstring(text, allocator)
font := raylib_fonts[config.fontId].font
rl.DrawTextEx(font, cstr_text, {bounds.x, bounds.y}, f32(config.fontSize), f32(config.letterSpacing), clay_color_to_rl_color(config.textColor))
case .Image:
config := render_command.renderData.image
tint := config.backgroundColor
if tint == 0 {
tint = {255, 255, 255, 255}
}
// TODO image handling
imageTexture := cast(^raylib.Texture2D)config.imageData
raylib.DrawTextureEx(imageTexture^, raylib.Vector2{boundingBox.x, boundingBox.y}, 0, boundingBox.width / cast(f32)imageTexture.width, clayColorToRaylibColor(tintColor))
case clay.RenderCommandType.ScissorStart:
raylib.BeginScissorMode(
cast(i32)math.round(boundingBox.x),
cast(i32)math.round(boundingBox.y),
cast(i32)math.round(boundingBox.width),
cast(i32)math.round(boundingBox.height),
)
case clay.RenderCommandType.ScissorEnd:
raylib.EndScissorMode()
case clay.RenderCommandType.Rectangle:
config := renderCommand.renderData.rectangle
if (config.cornerRadius.topLeft > 0) {
radius: f32 = (config.cornerRadius.topLeft * 2) / min(boundingBox.width, boundingBox.height)
raylib.DrawRectangleRounded(raylib.Rectangle{boundingBox.x, boundingBox.y, boundingBox.width, boundingBox.height}, radius, 8, clayColorToRaylibColor(config.backgroundColor))
imageTexture := (^rl.Texture2D)(config.imageData)
rl.DrawTextureEx(imageTexture^, {bounds.x, bounds.y}, 0, bounds.width / f32(imageTexture.width), clay_color_to_rl_color(tint))
case .ScissorStart:
rl.BeginScissorMode(i32(math.round(bounds.x)), i32(math.round(bounds.y)), i32(math.round(bounds.width)), i32(math.round(bounds.height)))
case .ScissorEnd:
rl.EndScissorMode()
case .Rectangle:
config := render_command.renderData.rectangle
if config.cornerRadius.topLeft > 0 {
radius: f32 = (config.cornerRadius.topLeft * 2) / min(bounds.width, bounds.height)
draw_rect_rounded(bounds.x, bounds.y, bounds.width, bounds.height, radius, config.backgroundColor)
} else {
raylib.DrawRectangle(cast(i32)boundingBox.x, cast(i32)boundingBox.y, cast(i32)boundingBox.width, cast(i32)boundingBox.height, clayColorToRaylibColor(config.backgroundColor))
draw_rect(bounds.x, bounds.y, bounds.width, bounds.height, config.backgroundColor)
}
case clay.RenderCommandType.Border:
config := renderCommand.renderData.border
case .Border:
config := render_command.renderData.border
// Left border
if (config.width.left > 0) {
raylib.DrawRectangle(
cast(i32)math.round(boundingBox.x),
cast(i32)math.round(boundingBox.y + config.cornerRadius.topLeft),
cast(i32)config.width.left,
cast(i32)math.round(boundingBox.height - config.cornerRadius.topLeft - config.cornerRadius.bottomLeft),
clayColorToRaylibColor(config.color),
if config.width.left > 0 {
draw_rect(
bounds.x,
bounds.y + config.cornerRadius.topLeft,
f32(config.width.left),
bounds.height - config.cornerRadius.topLeft - config.cornerRadius.bottomLeft,
config.color,
)
}
// Right border
if (config.width.right > 0) {
raylib.DrawRectangle(
cast(i32)math.round(boundingBox.x + boundingBox.width - cast(f32)config.width.right),
cast(i32)math.round(boundingBox.y + config.cornerRadius.topRight),
cast(i32)config.width.right,
cast(i32)math.round(boundingBox.height - config.cornerRadius.topRight - config.cornerRadius.bottomRight),
clayColorToRaylibColor(config.color),
if config.width.right > 0 {
draw_rect(
bounds.x + bounds.width - f32(config.width.right),
bounds.y + config.cornerRadius.topRight,
f32(config.width.right),
bounds.height - config.cornerRadius.topRight - config.cornerRadius.bottomRight,
config.color,
)
}
// Top border
if (config.width.top > 0) {
raylib.DrawRectangle(
cast(i32)math.round(boundingBox.x + config.cornerRadius.topLeft),
cast(i32)math.round(boundingBox.y),
cast(i32)math.round(boundingBox.width - config.cornerRadius.topLeft - config.cornerRadius.topRight),
cast(i32)config.width.top,
clayColorToRaylibColor(config.color),
if config.width.top > 0 {
draw_rect(
bounds.x + config.cornerRadius.topLeft,
bounds.y,
bounds.width - config.cornerRadius.topLeft - config.cornerRadius.topRight,
f32(config.width.top),
config.color,
)
}
// Bottom border
if (config.width.bottom > 0) {
raylib.DrawRectangle(
cast(i32)math.round(boundingBox.x + config.cornerRadius.bottomLeft),
cast(i32)math.round(boundingBox.y + boundingBox.height - cast(f32)config.width.bottom),
cast(i32)math.round(boundingBox.width - config.cornerRadius.bottomLeft - config.cornerRadius.bottomRight),
cast(i32)config.width.bottom,
clayColorToRaylibColor(config.color),
if config.width.bottom > 0 {
draw_rect(
bounds.x + config.cornerRadius.bottomLeft,
bounds.y + bounds.height - f32(config.width.bottom),
bounds.width - config.cornerRadius.bottomLeft - config.cornerRadius.bottomRight,
f32(config.width.bottom),
config.color,
)
}
if (config.cornerRadius.topLeft > 0) {
raylib.DrawRing(
raylib.Vector2{math.round(boundingBox.x + config.cornerRadius.topLeft), math.round(boundingBox.y + config.cornerRadius.topLeft)},
math.round(config.cornerRadius.topLeft - cast(f32)config.width.top),
// Rounded Borders
if config.cornerRadius.topLeft > 0 {
draw_arc(
bounds.x + config.cornerRadius.topLeft,
bounds.y + config.cornerRadius.topLeft,
config.cornerRadius.topLeft - f32(config.width.top),
config.cornerRadius.topLeft,
180,
270,
10,
clayColorToRaylibColor(config.color),
config.color,
)
}
if (config.cornerRadius.topRight > 0) {
raylib.DrawRing(
raylib.Vector2{math.round(boundingBox.x + boundingBox.width - config.cornerRadius.topRight), math.round(boundingBox.y + config.cornerRadius.topRight)},
math.round(config.cornerRadius.topRight - cast(f32)config.width.top),
if config.cornerRadius.topRight > 0 {
draw_arc(
bounds.x + bounds.width - config.cornerRadius.topRight,
bounds.y + config.cornerRadius.topRight,
config.cornerRadius.topRight - f32(config.width.top),
config.cornerRadius.topRight,
270,
360,
10,
clayColorToRaylibColor(config.color),
config.color,
)
}
if (config.cornerRadius.bottomLeft > 0) {
raylib.DrawRing(
raylib.Vector2{math.round(boundingBox.x + config.cornerRadius.bottomLeft), math.round(boundingBox.y + boundingBox.height - config.cornerRadius.bottomLeft)},
math.round(config.cornerRadius.bottomLeft - cast(f32)config.width.top),
if config.cornerRadius.bottomLeft > 0 {
draw_arc(
bounds.x + config.cornerRadius.bottomLeft,
bounds.y + bounds.height - config.cornerRadius.bottomLeft,
config.cornerRadius.bottomLeft - f32(config.width.top),
config.cornerRadius.bottomLeft,
90,
180,
10,
clayColorToRaylibColor(config.color),
config.color,
)
}
if (config.cornerRadius.bottomRight > 0) {
raylib.DrawRing(
raylib.Vector2 {
math.round(boundingBox.x + boundingBox.width - config.cornerRadius.bottomRight),
math.round(boundingBox.y + boundingBox.height - config.cornerRadius.bottomRight),
},
math.round(config.cornerRadius.bottomRight - cast(f32)config.width.bottom),
if config.cornerRadius.bottomRight > 0 {
draw_arc(
bounds.x + bounds.width - config.cornerRadius.bottomRight,
bounds.y + bounds.height - config.cornerRadius.bottomRight,
config.cornerRadius.bottomRight - f32(config.width.bottom),
config.cornerRadius.bottomRight,
0.1,
90,
10,
clayColorToRaylibColor(config.color),
config.color,
)
}
case clay.RenderCommandType.Custom:
@ -189,3 +168,34 @@ clayRaylibRender :: proc(renderCommands: ^clay.ClayArray(clay.RenderCommand), al
}
}
}
// Helper procs, mainly for repeated conversions
@(private = "file")
draw_arc :: proc(x, y: f32, inner_rad, outer_rad: f32,start_angle, end_angle: f32, color: clay.Color){
rl.DrawRing(
{math.round(x),math.round(y)},
math.round(inner_rad),
outer_rad,
start_angle,
end_angle,
10,
clay_color_to_rl_color(color),
)
}
@(private = "file")
draw_rect :: proc(x, y, w, h: f32, color: clay.Color) {
rl.DrawRectangle(
i32(math.round(x)),
i32(math.round(y)),
i32(math.round(w)),
i32(math.round(h)),
clay_color_to_rl_color(color)
)
}
@(private = "file")
draw_rect_rounded :: proc(x,y,w,h: f32, radius: f32, color: clay.Color){
rl.DrawRectangleRounded({x,y,w,h},radius,8,clay_color_to_rl_color(color))
}