README.md

@@ -1,2 +1,2 @@
 # trueno game engine
-Jai game engine focused on rendering 16x16x16 voxel blocks.
+A sokol based Jai game engine focused on rendering 16x16x16 voxex blocks.

first.jai

@@ -87,7 +87,6 @@
         args := string.[
             "emcc",
             "src/platform_specific/main.c", "dist/main.o", "modules/sokol-jai/sokol/gfx/sokol_gfx_wasm_gl_debug.a", "modules/sokol-jai/sokol/log/sokol_log_wasm_gl_debug.a", "modules/sokol-jai/sokol/time/sokol_time_wasm_gl_debug.a", "modules/sokol-jai/sokol/app/sokol_app_wasm_gl_debug.a", "modules/sokol-jai/sokol/glue/sokol_glue_wasm_gl_debug.a", "modules/sokol-jai/sokol/fetch/sokol_fetch_wasm_gl_debug.a", "modules/sokol-jai/sokol/gl/sokol_gl_wasm_gl_debug.a", "modules/sokol-jai/sokol/fontstash/sokol_fontstash_wasm_gl_debug.a",
-            "modules/sokol-jai/sokol/stbi/stb_image.a",
             "-o", "dist/index.html",
             "-sERROR_ON_UNDEFINED_SYMBOLS=1", "-sMEMORY64", "-sMAX_WEBGL_VERSION=2",
             "--js-library=src/platform_specific/runtime.js",

src/events.jai

@@ -1,29 +1,9 @@
 mpos : Vector2;
 
-Queued_State_Set :: struct {
-    code  : Input.Key_Code;
-    state : Input.Key_Current_State;
-    ticks : int;
-};
-
-state_set_queue : [..]Queued_State_Set;
-
-state_set_queue_add :: (qss: Queued_State_Set) {
-    array_add(*state_set_queue, qss);
-}
-
 handle_event :: (e: *sapp_event) {
-    handle_sokol_event(xx,force e);
+    if e.type == .MOUSE_MOVE {
-    // if e.type == .MOUSE_MOVE {
+        mpos.x = e.mouse_x;
-    //     mpos.x = e.mouse_x;
+        mpos.y = e.mouse_y;
-    //     mpos.y = e.mouse_y;
+    }
-    // }
+    
-    // if e.type == .MOUSE_DOWN {
-    //     GR.set_state_for_key(Input.Key_Code.MOUSE_BUTTON_LEFT, .START);
-    //     state_set_queue_add(.{Input.Key_Code.MOUSE_BUTTON_LEFT, .DOWN, 2});
-    // }
-    // if e.type == .MOUSE_UP {
-    //     GR.set_state_for_key(Input.Key_Code.MOUSE_BUTTON_LEFT, .END);
-    //     state_set_queue_add(.{Input.Key_Code.MOUSE_BUTTON_LEFT, .NONE, 2});
-    // }
 }

src/main.jai

@@ -8,10 +8,6 @@
 #load "load.jai";
 #load "./shaders/jai/shader_triangle.jai";
 
-#import "Input";
-
-stbi :: #import "stb_image";
-
 state: struct {
     pass_action: sg_pass_action;
     dpi_scale: float;
@@ -61,8 +57,12 @@ init :: () {
     }));
     state.fons = fons_context;
     state.font_default = FONS_INVALID;
+        // file_data := read_entire_file("./");
+        // state.font_default = fonsAddFontMem(state.fons, "sans", *file_data[0], xx file_data.count, 0);
+
     create_pipelines();
 
+    // a pass action to clear framebuffer to black
     state.pass_action.colors[0] = .{ load_action = .CLEAR, clear_value = .{ r = 0.5, g = 0.5, b = 0.9, a = 1 } };
     init_ui();
     init_font_loads();
@@ -74,13 +74,10 @@ frame :: () {
     sfetch_dowork();
 
     fonsClearState(state.fons);
-    for event: Input.events_this_frame {
-        GR.getrect_handle_event(event);
-    }
-
     sgl_defaults();
     sgl_matrix_mode_projection();
     sgl_ortho(0.0, sapp_widthf(), sapp_heightf(), 0.0, -1.0, +1.0);
+    black := sfons_rgba(0, 0, 0, 255);
 
     tick_ui();
     sg_begin_pass(*(sg_pass.{ action = state.pass_action, swapchain = cast,force(sg_swapchain) sglue_swapchain() }));
@@ -91,7 +88,6 @@ frame :: () {
     sg_end_pass();
     sg_commit();
 
-    input_per_frame_event_and_flag_update();
     reset_temporary_storage();
 }
 

src/platform_specific/common.jai

@@ -11,16 +11,7 @@
 
 default_context: #Context;
 
-temporary_storage: Temporary_Storage;
-temporary_storage_data: [TEMPORARY_STORAGE_SIZE] u8 #align 64;
-
 sapp_init :: () {
-    default_context.temporary_storage = *temporary_storage;
-    temporary_storage.data = temporary_storage_data.data;
-    temporary_storage.size = temporary_storage_data.count;
-    temporary_storage.original_data = temporary_storage_data.data;
-    temporary_storage.original_size = temporary_storage_data.count;    
-
     push_context,defer_pop default_context;
     context.logger = logger;
 

src/shaders/jai/shader_triangle.jai

@@ -17,34 +17,23 @@
             ATTR_triangle_color0 => 1
             ATTR_triangle_uv => 2
     Bindings:
-        Image 'tex':
-            Image type: ._2D
-            Sample type: .FLOAT
-            Multisampled: false
-            Bind slot: IMG_tex => 0
-        Sampler 'smp':
-            Type: .FILTERING
-            Bind slot: SMP_smp => 0
 */
 ATTR_triangle_position :: 0;
 ATTR_triangle_color0 :: 1;
 ATTR_triangle_uv :: 2;
-IMG_tex :: 0;
-SMP_smp :: 0;
 /*
     #version 430
 
     layout(location = 0) in vec4 position;
     layout(location = 0) out vec4 color;
     layout(location = 1) in vec4 color0;
-    layout(location = 1) out vec4 texcoord;
     layout(location = 2) in vec4 uv;
 
     void main()
     {
         gl_Position = position;
         color = color0;
-        texcoord = uv;
+        color.x = fma(9.9999999392252902907785028219223e-09, uv.x, color.x);
     }
 
 */
@@ -58,48 +47,39 @@ vs_source_glsl430 := u8.[
     0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,0x29,0x20,0x69,
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+    0x6c,0x6f,0x72,0x2e,0x78,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 430
 
-    layout(binding = 16) uniform sampler2D tex_smp;
-
     layout(location = 0) out vec4 frag_color;
-    layout(location = 1) in vec4 texcoord;
     layout(location = 0) in vec4 color;
 
     void main()
     {
-        frag_color = texture(tex_smp, texcoord.xy);
+        frag_color = color;
     }
 
 */
 fs_source_glsl430 := u8.[
     0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x34,0x33,0x30,0x0a,0x0a,0x6c,0x61,
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 ];
 /*
     #version 300 es
@@ -107,14 +87,13 @@ fs_source_glsl430 := u8.[
     layout(location = 0) in vec4 position;
     out vec4 color;
     layout(location = 1) in vec4 color0;
-    out vec4 texcoord;
     layout(location = 2) in vec4 uv;
 
     void main()
     {
         gl_Position = position;
         color = color0;
-        texcoord = uv;
+        color.x = 9.9999999392252902907785028219223e-09 * uv.x + color.x;
     }
 
 */
@@ -125,31 +104,30 @@ vs_source_glsl300es := u8.[
     0x73,0x69,0x74,0x69,0x6f,0x6e,0x3b,0x0a,0x6f,0x75,0x74,0x20,0x76,0x65,0x63,0x34,
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+    0x78,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
 ];
 /*
     #version 300 es
     precision mediump float;
     precision highp int;
 
-    uniform highp sampler2D tex_smp;
-
     layout(location = 0) out highp vec4 frag_color;
-    in highp vec4 texcoord;
     in highp vec4 color;
 
     void main()
     {
-        frag_color = texture(tex_smp, texcoord.xy);
+        frag_color = color;
     }
 
 */
@@ -157,20 +135,14 @@ fs_source_glsl300es := u8.[
     0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x30,0x30,0x20,0x65,0x73,0x0a,
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-    0x00,
 ];
 triangle_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
     desc: sg_shader_desc;
@@ -187,16 +159,6 @@ triangle_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.attrs[1].glsl_name = "color0";
         desc.attrs[2].base_type = .FLOAT;
         desc.attrs[2].glsl_name = "uv";
-        desc.images[0].stage = .FRAGMENT;
-        desc.images[0].multisampled = false;
-        desc.images[0].image_type = ._2D;
-        desc.images[0].sample_type = .FLOAT;
-        desc.samplers[0].stage = .FRAGMENT;
-        desc.samplers[0].sampler_type = .FILTERING;
-        desc.image_sampler_pairs[0].stage = .FRAGMENT;
-        desc.image_sampler_pairs[0].image_slot = 0;
-        desc.image_sampler_pairs[0].sampler_slot = 0;
-        desc.image_sampler_pairs[0].glsl_name = "tex_smp";
     case .GLES3;
         desc.vertex_func.source = xx *vs_source_glsl300es;
         desc.vertex_func.entry = "main";
@@ -208,16 +170,6 @@ triangle_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
         desc.attrs[1].glsl_name = "color0";
         desc.attrs[2].base_type = .FLOAT;
         desc.attrs[2].glsl_name = "uv";
-        desc.images[0].stage = .FRAGMENT;
-        desc.images[0].multisampled = false;
-        desc.images[0].image_type = ._2D;
-        desc.images[0].sample_type = .FLOAT;
-        desc.samplers[0].stage = .FRAGMENT;
-        desc.samplers[0].sampler_type = .FILTERING;
-        desc.image_sampler_pairs[0].stage = .FRAGMENT;
-        desc.image_sampler_pairs[0].image_slot = 0;
-        desc.image_sampler_pairs[0].sampler_slot = 0;
-        desc.image_sampler_pairs[0].glsl_name = "tex_smp";
     }
     return desc;
 }

src/shaders/shader_triangle.glsl

@@ -4,34 +4,20 @@ in vec4 color0;
 in vec4 uv;
 
 out vec4 color;
-out vec4 texcoord;
 
 void main() {
     gl_Position = position;
     color = color0;
-    texcoord = uv;
+    color.x += 0.00000001 * uv.x;
 }
 @end
 
 @fs fs
 in vec4 color;
-in vec4 texcoord;
-
 out vec4 frag_color;
 
-layout(binding = 0) uniform texture2D tex;
-layout(binding = 0) uniform sampler smp;
-
-bool near(float a, float b) {
-    return abs(a-b) < 0.01;
-}
-
 void main() {
-    // if(near(texcoord.x, -4) && near(texcoord.y, -2)) {
+    frag_color = color;
-    //     frag_color = color;
-    // } else {
-        frag_color = texture(sampler2D(tex, smp), texcoord.xy);
-    // }
 }
 @end
 

src/ui/ui.jai

@@ -1,5 +1,4 @@
 GR :: #import "GetRect_LeftHanded"()(Type_Indicator = Ui_Type_Indicator);
-Input :: #import "Input";
 
 Ui_Font :: struct {
     em_width: u32 = 1;
@@ -7,7 +6,7 @@ Ui_Font :: struct {
 }
 
 Ui_Texture :: struct {
-    tex: sg_image;
+    name: string;
 }
 
 Ui_Rect :: struct {
@@ -28,30 +27,10 @@ defaultFont: Font;
 ui_texture_counter : u32 = 0;
 
 texture_load_from_memory :: (texture: *Ui_Texture, memory: []u8, srgb: bool, build_mipmaps: bool) -> bool {
-    print("LOAD FROM MEMORY CALLED!!!\n");
+    // texname := tprint("ui_tex_%", ui_texture_counter);
-    x : s32;
+    // load_png_texture_from_memory(*GpuContext, copy_string(texname), memory);
-    y : s32;
+    // ui_texture_counter += 1;
-    channels : s32;
+    // texture.name = copy_string(texname);
-    data := stbi.stbi_load_from_memory(memory.data, xx memory.count, *x, *y, *channels, 4);
-    img := sg_alloc_image();
-
-    subimg : [6][16]sg_range;
-    subimg[0][0] = .{
-        ptr = data,
-        size = xx (x * y * 4)
-    };
-    
-    sg_init_image(*img, *(sg_image_desc.{
-        width = x,
-        height = y,
-        pixel_format = sg_pixel_format.RGBA8,
-        data = .{
-            subimage = subimg
-        }
-    }));
-
-    stbi.stbi_image_free(data);
-    texture.tex = img;
     return true;
 }
 
@@ -74,12 +53,14 @@ clear_scissor :: () {
 gCurrentTexture : *Ui_Texture = null;
 
 set_shader_for_color :: (enable_blend := false) {
+    // immediate_flush(); // We want to do the flush so we can set the sampler for the entire set.
     // gCurrentTexture = null;
 }
 
 
 set_shader_for_images :: (texture: *Ui_Texture) {
-    // gPipelines.arbtri.bind.images[0] = texture.tex;
+    // if ENABLE_UI_DEBUG_LOGGING { print("Setting shader for textures.."); }
+    // immediate_flush(); // We want to do the flush so we can set the sampler for the entire set.
     // gCurrentTexture = texture;
 }
 
@@ -103,7 +84,7 @@ draw_prepared_text :: (font: *Ui_Type_Indicator.Font, x: s64, y: s64, text_color
     fonsDrawText(state.fons, xx x, xx y, result, null);
 }
 get_mouse_pointer_position :: (window: Ui_Type_Indicator.Window_Type, right_handed: bool) -> (x: int, y: int, success: bool) {
-    return xx input_mouse_x, xx input_mouse_y, true;
+    return xx mpos.x, xx mpos.y, true;
 }
 get_font_at_size :: (memory: [] u8, pixel_height: int) -> *Font {
     f : *Font = New(Font);
@@ -153,15 +134,15 @@ immediate_flush :: () {
 
 init_ui :: () {
     dp : GR.Draw_Procs = .{
-        texture_load_from_memory = texture_load_from_memory, // implemented 
+        texture_load_from_memory = texture_load_from_memory,
         set_scissor = set_scissor,
         clear_scissor = clear_scissor,
-        set_shader_for_color = set_shader_for_color, // implemented
+        set_shader_for_color = set_shader_for_color,
         set_shader_for_images = set_shader_for_images,
-        prepare_text = prepare_text, // implemented
+        prepare_text = prepare_text,
-        draw_prepared_text = draw_prepared_text, // implemented
+        draw_prepared_text = draw_prepared_text,
-        get_mouse_pointer_position = get_mouse_pointer_position, // implemented
+        get_mouse_pointer_position = get_mouse_pointer_position,
-        get_font_at_size = get_font_at_size, // implemented
+        get_font_at_size = get_font_at_size,
         immediate_triangle = immediate_triangle, // implemented
         immediate_quad = immediate_quad, // implemented
         immediate_flush = immediate_flush // implemented
@@ -170,18 +151,8 @@ init_ui :: () {
     GR.ui_init("", *dp);
 }
 
-ui_events : [..]Input.Event;
-
-add_ui_event :: (event: Input.Event) {
-    array_add(*ui_events, event);
-}
-
 tick_ui :: () {
     w,h :=  get_window_size();
-    for ui_events {
-        GR.getrect_handle_event(it);
-    }
-    array_reset_keeping_memory(*ui_events);
     GR.ui_per_frame_update(1, xx w, xx h, get_time());
 }
 
@@ -197,16 +168,13 @@ idk : bool;
 render_ui :: () {
     proc := GR.default_theme_procs[3];
     my_theme := proc();
-    GR.set_default_theme(my_theme);
+    GR.set_default_theme(my_theme);  // Just in case we don't explicitly pass themes sometimes...!
 
     r := GR.get_rect(10, 10, 400, 30);
     pressed := GR.button(r, "GetRect render lfg!!", *my_theme.button_theme);
-    if pressed {
-    }
 
     r.y += 150;
-    if GR.base_checkbox(r, "CHECK!!!", idk, null) {
+    GR.base_checkbox(r, "CHECK!!!", idk, null);
-    }
 }