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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| const std = @import("std"); | ||
| const sokol = @import("sokol"); | ||
| const sg = sokol.gfx; | ||
|
|
||
| const zigltf = @import("zigltf"); | ||
| const rowmath = @import("rowmath"); | ||
| const framework = @import("framework"); | ||
| const Scene = framework.Scene; | ||
| const gltf_fetcher = framework.gltf_fetcher; | ||
|
|
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| const state = struct { | ||
| var pass_action = sg.PassAction{}; | ||
| var input = rowmath.InputState{}; | ||
| var orbit = rowmath.OrbitCamera{}; | ||
| var gltf: ?std.json.Parsed(zigltf.Gltf) = null; | ||
| var scene = Scene{}; | ||
| }; | ||
|
|
||
| const load_file = "UniVRM/Alicia_vrm-0.51/Alicia_vrm-0.51.vrm"; | ||
|
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| export fn init() void { | ||
| sg.setup(.{ | ||
| .environment = sokol.glue.environment(), | ||
| .logger = .{ .func = sokol.log.func }, | ||
| }); | ||
| sokol.gl.setup(.{ | ||
| .logger = .{ .func = sokol.log.func }, | ||
| }); | ||
|
|
||
| var debugtext_desc = sokol.debugtext.Desc{ | ||
| .logger = .{ .func = sokol.log.func }, | ||
| }; | ||
| debugtext_desc.fonts[0] = sokol.debugtext.fontOric(); | ||
| sokol.debugtext.setup(debugtext_desc); | ||
|
|
||
| state.pass_action.colors[0] = .{ | ||
| .load_action = .CLEAR, | ||
| .clear_value = .{ .r = 0.1, .g = 0.1, .b = 0.1, .a = 1.0 }, | ||
| }; | ||
|
|
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| state.scene.init(std.heap.c_allocator); | ||
|
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| gltf_fetcher.init(std.heap.c_allocator); | ||
| gltf_fetcher.fetch_gltf(load_file, &on_gltf) catch @panic("fetch_gltf"); | ||
| } | ||
|
|
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| fn on_gltf(gltf: std.json.Parsed(zigltf.Gltf), bin:?[]const u8) void { | ||
| state.gltf = gltf; | ||
| std.debug.print("{s}\n", .{gltf.value}); | ||
| state.scene.load(gltf, bin) catch |e| { | ||
| std.debug.print("{s}\n", .{@errorName(e)}); | ||
| @panic("Scene.load"); | ||
| }; | ||
| gltf_fetcher.state.status = "loaded"; | ||
| } | ||
|
|
||
| export fn frame() void { | ||
| sokol.fetch.dowork(); | ||
|
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| state.input.screen_width = sokol.app.widthf(); | ||
| state.input.screen_height = sokol.app.heightf(); | ||
| state.orbit.frame(state.input); | ||
| state.input.mouse_wheel = 0; | ||
|
|
||
| sokol.debugtext.canvas(sokol.app.widthf() * 0.5, sokol.app.heightf() * 0.5); | ||
| sokol.debugtext.pos(0.5, 0.5); | ||
| sokol.debugtext.puts(gltf_fetcher.state.status); | ||
|
|
||
| sg.beginPass(.{ | ||
| .action = state.pass_action, | ||
| .swapchain = sokol.glue.swapchain(), | ||
| }); | ||
| state.scene.draw(state.orbit.camera); | ||
| sokol.debugtext.draw(); | ||
| sg.endPass(); | ||
| sg.commit(); | ||
| } | ||
|
|
||
| export fn event(e: [*c]const sokol.app.Event) void { | ||
| switch (e.*.type) { | ||
| .MOUSE_DOWN => { | ||
| switch (e.*.mouse_button) { | ||
| .LEFT => { | ||
| state.input.mouse_left = true; | ||
| }, | ||
| .RIGHT => { | ||
| state.input.mouse_right = true; | ||
| }, | ||
| .MIDDLE => { | ||
| state.input.mouse_middle = true; | ||
| }, | ||
| .INVALID => {}, | ||
| } | ||
| }, | ||
| .MOUSE_UP => { | ||
| switch (e.*.mouse_button) { | ||
| .LEFT => { | ||
| state.input.mouse_left = false; | ||
| }, | ||
| .RIGHT => { | ||
| state.input.mouse_right = false; | ||
| }, | ||
| .MIDDLE => { | ||
| state.input.mouse_middle = false; | ||
| }, | ||
| .INVALID => {}, | ||
| } | ||
| }, | ||
| .MOUSE_MOVE => { | ||
| state.input.mouse_x = e.*.mouse_x; | ||
| state.input.mouse_y = e.*.mouse_y; | ||
| }, | ||
| .MOUSE_SCROLL => { | ||
| state.input.mouse_wheel = e.*.scroll_y; | ||
| }, | ||
| else => {}, | ||
| } | ||
| } | ||
|
|
||
| export fn cleanup() void { | ||
| sg.shutdown(); | ||
| } | ||
|
|
||
| pub fn main() void { | ||
| sokol.app.run(.{ | ||
| .init_cb = init, | ||
| .frame_cb = frame, | ||
| .cleanup_cb = cleanup, | ||
| .event_cb = event, | ||
| .width = 800, | ||
| .height = 600, | ||
| .window_title = "rowmath: examples/sokol/camera_simple", | ||
| .icon = .{ .sokol_default = true }, | ||
| .logger = .{ .func = sokol.log.func }, | ||
| }); | ||
| } |
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