git commit

game/game.jai

@@ -1,8 +1,13 @@
 #scope_file
 
+char_pos : Vector3 = .{0.0, 1.5, 0.0};
+rotation : float   = 0.0;
+
 cam : Camera = .{
 	far = 2000.0,
-	near = 1.0
+	near = 1.0,
+	target = .{0.0, 0.0, 0.0},
+	position = .{0.0, 0.0, 0.0}
 };
 
 #scope_export
@@ -10,11 +15,25 @@ game_init :: () {
 }
 
 game_tick :: () {
-	cam.position += Vector3.{0.01, 0.0, 0.0};
-	cam.target += Vector3.{0.01, 0.0, 0.0};
+	speed := 0.1;
+
+	forward := Vector3.{1.0, 0.0, 0.0};
+
+	char_pos += speed * forward;
+		
+	cam.position = char_pos;
+	cam.target   = char_pos + forward;
 }
 
 game_draw :: () {
+	if is_in_reflection_pass {
+		cam.position.y *= -1;
+		cam.target.y *= -1;
+	}
 	draw_sky(*cam);
-	draw_ground_plane(*cam);
+	if !is_in_reflection_pass then draw_ground_plane(*cam);
+	if is_in_reflection_pass {
+		cam.position.y *= -1;
+		cam.target.y *= -1;
+	}
 }

src/editor/level_editor.jai

@@ -73,6 +73,12 @@ get_level_editor_camera :: () -> Camera {
 
 	camera.position  = camera.target;
 	camera.position += cameraDir * cameraDist;
+
+	if is_in_reflection_pass {
+		camera.position.y *= -1;
+		camera.target.y *= -1;
+	}
+	
     return camera;
 }
 
@@ -275,11 +281,8 @@ tick_level_editor :: () {
 	}
 }
 
-draw_level_editor :: () {
-	draw_sky(*get_level_editor_camera(), *world.conf);
-	draw_ground_plane(*get_level_editor_camera(), *world.conf);
-	cam := get_level_editor_camera();
-	mvp := create_viewproj(*cam);
+draw_world_triles :: (cam: *Camera, world: *World) {
+	mvp := create_viewproj(cam);
 
 	vs_params : Trile_Vs_Params;
 	vs_params.mvp = mvp.floats;
@@ -321,31 +324,14 @@ draw_level_editor :: () {
 	    sg_apply_uniforms(UB_trile_world_config, *(sg_range.{ptr = *world_conf, size = size_of(type_of(world_conf))}));
 		sg_draw(0, cast(s32) trilegfx.vertex_count, idx);
 	}
+}
 
-	if show_trile_preview && !trile_preview_disabled {
-		positions : [1]Vector4;
-		trilegfx := get_trile_gfx(editor_current_trile.name);
-		positions[0] = .{xx trile_preview_x, xx trile_preview_y, xx trile_preview_z, 0.0};
-	    offset := sg_append_buffer(gPipelines.trile.bind.vertex_buffers[3], *(sg_range.{
-	        ptr = positions.data,
-	        size = size_of(type_of(positions)),
-	    }));
-	
-		bindings : sg_bindings;
-		bindings.vertex_buffers[0] =        trilegfx.vertex_buffer;
-		bindings.vertex_buffers[1] =        trilegfx.normal_buffer;
-		bindings.vertex_buffers[2] =        trilegfx.centre_buffer;
-		bindings.vertex_buffers[3] =        gPipelines.trile.bind.vertex_buffers[3];
-		bindings.vertex_buffer_offsets[3] = offset;
-
-	    bindings.samplers[0]       = gPipelines.trile.bind.samplers[0];
-		bindings.images[0]         = trilegfx.trixel_colors;
-		
-		sg_apply_bindings(*bindings);
-		sg_apply_uniforms(UB_trile_vs_params, *(sg_range.{ ptr = *vs_params, size = size_of(type_of(vs_params))}));
-	    sg_apply_uniforms(UB_trile_world_config, *(sg_range.{ptr = *world_conf, size = size_of(type_of(world_conf))}));
-		sg_draw(0, cast(s32) trilegfx.vertex_count, 1);
-	}
+draw_level_editor :: () {
+	cam := get_level_editor_camera();
+	update_image_from_ground(*world, *gPipelines.plane.bind.images[2]);
+	draw_sky(*get_level_editor_camera(), *world.conf);
+	if !is_in_reflection_pass then draw_ground_plane(*get_level_editor_camera(), *world.conf);
+	draw_world_triles(*cam, *world);
 }
 
 draw_level_editor_ui :: (theme: *GR.Overall_Theme) {

src/main.jai

@@ -116,6 +116,8 @@ init_after_asset_pack :: () {
     game_init();
 }
 
+is_in_reflection_pass : bool = false;
+
 frame :: () {
     delta_time = get_time() - last_frame_time;
     last_frame_time = get_time();
@@ -143,10 +145,23 @@ frame :: () {
     sgl_matrix_mode_projection();
     sgl_ortho(0.0, sapp_widthf(), sapp_heightf(), 0.0, -1.0, +1.0);
 
-    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, swapchain = cast,force(sg_swapchain) sglue_swapchain() }));
     tick_ui();
+
+	sg_begin_pass(*(sg_pass.{ action = gPipelines.plane.pass_action, attachments = gPipelines.plane.attachments}));
+    is_in_reflection_pass = true;
     draw_editor();
     if !in_editor_view then game_draw();
+    is_in_reflection_pass = false;
+	sg_end_pass();
+
+    sg_begin_pass(*(sg_pass.{ action = state.pass_action_clear, swapchain = cast,force(sg_swapchain) sglue_swapchain() }));
+    draw_editor();
+    uiTex := Ui_Texture.{*gPipelines.plane.bind.images[2]};
+    set_shader_for_images(*uiTex);
+    r := GR.get_rect(500,500,300,300);
+    immediate_quad(.{r.x, r.y}, .{r.x + r.w, r.y}, .{r.x + r.w, r.y + r.h}, .{r.x, r.y + r.h});
+    set_shader_for_color();
+    if !in_editor_view then game_draw();
     ui_pass();
     sg_end_pass();
     sg_commit();

src/pipelines.jai

@@ -1,6 +1,8 @@
 Pipeline_Binding :: struct {
     pipeline    : sg_pipeline;
     bind        : sg_bindings;
+    attachments : sg_attachments;
+    pass_action : sg_pass_action;
 }
 
 g_specular_lut : sg_image;
@@ -281,12 +283,28 @@ create_sky_pipeline :: () {
     gPipelines.sky.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer);
 }
 
+// @ToDo: This needs to be redone when the window is resized;
+create_plane_pipeline_reflection_image :: (binding: *sg_bindings) {
+    reflection_img := sg_alloc_image();
+    w, h := get_window_size();
+    img_desc := sg_image_desc.{
+        width = w,
+        height = h,
+        pixel_format = .RGBA8,
+        render_target = true,
+        sample_count = 1,
+    };
+    binding.images[0] = sg_make_image(*img_desc);
+    binding.images[1] = sg_make_image(*img_desc);
+}
+
 create_plane_pipeline :: () {
     pipeline: sg_pipeline_desc;
     shader_desc := plane_shader_desc(sg_query_backend());
     pipeline.shader = sg_make_shader(*shader_desc);
     pipeline.layout.buffers[0].stride = 4*3;
 
+    
     pipeline.layout.attrs[ATTR_plane_position] = .{ format = .FLOAT3, buffer_index = 0 };
     pipeline.index_type = .UINT16;
     pipeline.depth = .{
@@ -325,6 +343,41 @@ create_plane_pipeline :: () {
 
     gPipelines.plane.bind.index_buffer      = sg_make_buffer(*ibuffer);
     gPipelines.plane.bind.vertex_buffers[0] = sg_make_buffer(*vbuffer);
+    create_plane_pipeline_reflection_image(*gPipelines.plane.bind);
+
+	attachmentsDesc := sg_attachments_desc.{
+	    colors[0].image = gPipelines.plane.bind.images[0],
+	   	depth_stencil.image = gPipelines.plane.bind.images[1],
+	};
+
+    gPipelines.plane.attachments = sg_make_attachments(*attachmentsDesc);
+
+    
+    gPipelines.plane.pass_action = .{
+        colors[0] = .{ load_action = .CLEAR, clear_value = .{ 0.25, 0.25, 0.25, 1.0 } },
+    };
+
+    gPipelines.plane.bind.samplers[0] = sg_make_sampler(*(sg_sampler_desc.{
+        wrap_u = .CLAMP_TO_EDGE,
+        wrap_v = .CLAMP_TO_EDGE,
+        min_filter = .NEAREST,
+        mag_filter = .NEAREST,
+    }));
+
+    materialdata : [1000*1000*4]u8;
+    imgdata : sg_image_data;
+    imgdata.subimage[0][0] = .{materialdata.data, materialdata.count};
+
+    ground_img_desc := sg_image_desc.{
+        width = 1000,
+        height = 1000,
+        pixel_format = .RGBA8,
+        render_target = false,
+        sample_count = 1,
+        data = imgdata
+    };
+
+    gPipelines.plane.bind.images[2] = sg_make_image(*ground_img_desc);
 }
 
 create_arbtri_pipeline :: () {
@@ -358,4 +411,5 @@ create_arbtri_pipeline :: () {
         min_filter = .NEAREST,
         mag_filter = .NEAREST,
     }));
+
 }

src/platform_specific/main_native.jai

@@ -14,5 +14,5 @@ log_content :: (format_string: string, args: .. Any, loc := #caller_location, fl
 } @PrintLike
 
 logger :: (message: string, data: *void, info: Log_Info) {
-    print("%\n", message);
+    print("% % %\n", message, data, info);
 }

src/rendering/groundplane.jai

@@ -3,6 +3,12 @@ draw_ground_plane :: (cam: *Camera, worldConfig: *World_Config = null) {
     vs_params : Plane_Vs_Params;
 
     world_conf : Plane_World_Config;
+    plane_data : Plane_Data;
+
+    w, h := get_window_size();
+    plane_data.screen_w = w;
+    plane_data.screen_h = h;
+    plane_data.is_reflection_pass = xx ifx is_in_reflection_pass then 1 else 0;
 
     wc : *World_Config = ifx worldConfig == null then *(World_Config.{}) else worldConfig;
 
@@ -13,5 +19,11 @@ draw_ground_plane :: (cam: *Camera, worldConfig: *World_Config = null) {
     sg_apply_bindings(*gPipelines.plane.bind);
     sg_apply_uniforms(UB_plane_vs_params, *(sg_range.{ ptr = *vs_params, size = size_of(type_of(vs_params)) }));
     sg_apply_uniforms(UB_plane_world_config, *(sg_range.{ptr = *world_conf, size = size_of(type_of(world_conf))}));
+    sg_apply_uniforms(UB_plane_data, *(sg_range.{ptr = *plane_data, size = size_of(type_of(plane_data))}));
+    
+    if wc.planeType == 1 {
+        sg_draw(0, 6, 1);    
+    } else {
         sg_draw(0, 6, 128);    
+    }
 }

src/shaders/shader_plane.glsl

@@ -13,8 +13,8 @@ out flat int idx;
 
 void main() {
     vec3 multisize = vec3(position.xyz * 1000.0);
-    gl_Position = mvp * (vec4(multisize.x, 0.0 + float(gl_InstanceIndex) * 0.003, multisize.z, 1.0));
-    pos = position;
+    gl_Position = mvp * (vec4(multisize.x, 0.0 + float(gl_InstanceIndex) * 0.006, multisize.z, 1.0));
+    pos = vec4(multisize, 1.0);
     idx = gl_InstanceIndex;
 }
 @end
@@ -57,8 +57,20 @@ layout(binding=1) uniform plane_world_config {
     int planeType;
 
     float time;
+
+    float grassDensity;
 };
 
+layout(binding=2) uniform plane_data {
+    int screen_w;
+    int screen_h;
+    int is_reflection_pass;
+};
+
+layout(binding = 0) uniform texture2D reftex;
+layout(binding = 2) uniform texture2D groundtex;
+layout(binding = 0) uniform sampler refsmp;
+
 #define hash(p)  fract(sin(dot(p, vec2(11.9898, 78.233))) * 43758.5453)
 
 float B(vec2 U) {          
@@ -96,25 +108,110 @@ float noise (vec2 st) {
             (d - b) * u.x * u.y;
 }
 
+vec3 wave(vec4 wave, vec3 p, inout vec3 tangent, inout vec3 binormal) {
+    float steepness = wave.z;
+    float wavelength = wave.w;
+    float k = 2.0 * 3.141 / wavelength;
+	float c = 2.0;
+	vec2 d = normalize(vec2(wave.x, wave.y));
+	float f = k * (dot(d, p.xz) - c * (time * 0.1));
+	float a = steepness / k;
+	
+	tangent += vec3(
+		-d.x * d.x * (steepness * sin(f)),
+		d.x * (steepness * cos(f)),
+		-d.x * d.y * (steepness * sin(f))
+	);
+    
+	binormal += vec3(
+		-d.x * d.y * (steepness * sin(f)),
+		d.y * (steepness * cos(f)),
+		-d.y * d.y * (steepness * sin(f))
+	);
+    
+	return vec3(
+		d.x * (a * cos(f)),
+		a * sin(f),
+		d.y * (a * cos(f))
+	);
+}
+
 void main() {
     
     if(planeType == 1) {
-        frag_color = vec4(0.0, 0.0, 1.0, 1.0);
+        vec4 reflection = texelFetch(sampler2D(reftex, refsmp), ivec2(gl_FragCoord.x, screen_h - gl_FragCoord.y), 0);
+        frag_color = reflection * vec4(0.9, 0.9, 1.0, 1.0);
     } else {
-        float density = 80000.0;
+        float density = grassDensity;
+
         vec2 densifiedCoordinate = pos.xz * density;
-        densifiedCoordinate.x += sin(densifiedCoordinate.y);
-        densifiedCoordinate.y += sin(densifiedCoordinate.x);
+        densifiedCoordinate.x += sin(densifiedCoordinate.y) * 0.5;
+        densifiedCoordinate.y += sin(densifiedCoordinate.x) * 0.5;
         vec2 ruohokeskus = round(densifiedCoordinate);
         
         float noiseval_fine = noise(densifiedCoordinate / 50.0);
         float noiseval_coarse = noise(densifiedCoordinate / 500.0);
+        float noiseval_plantti = noise(densifiedCoordinate / 500.0);       
+        if(noiseval_plantti < 0.9) {
+            noiseval_plantti = 0.0;
+        } else {
+            noiseval_plantti = (noiseval_plantti - 0.9) * 10.0;
+        }
 
+        float noiseval_vesi = noise(densifiedCoordinate.yx / 700.0);       
+        int is_water = 0;
+        float is_water_coast = 1.0;
+        float coast_multiplier = 0.0;
+        if(noiseval_vesi > 0.9) {
+            is_water = 1;
+            if(noiseval_vesi < 0.93) {
+                is_water_coast = (noiseval_vesi - 0.9) * 33.333;
+            }
+        }
+        if(noiseval_vesi > 0.8) {
+            coast_multiplier = (noiseval_vesi - 0.8) * 10;
+        }
+
+        float rand = (hash12(ruohokeskus)) - 0.4;
+        rand += 0.4 * noiseval_coarse;
+        vec2 sandDensifiedCoordinate = round(pos.xz * density * 10.0);
+        float sand_rand = (hash12(sandDensifiedCoordinate));
+        vec4 sandcolor = vec4(mix(0.8, 1.0, sand_rand) * vec3(0.8, 0.7, 0.5), 1.0);
+        if(is_water == 1) {
+            vec3 tangent = vec3(1.0, 0.0, 0.0);
+            vec3 binormal = vec3(0.0, 0.0, 1.0);
+            vec3 p = vec3(0.0);
+            p += wave(vec4(1.0, 0.5, 0.1, 0.9), pos.xyz, tangent, binormal);
+            vec3 normal = normalize(cross(normalize(binormal), normalize(tangent)));
+
+            vec2 rippleOffset = normal.xz * 0.005;
+            rippleOffset.x = clamp(rippleOffset.x, -0.01, 0.01);
+            rippleOffset.y = clamp(rippleOffset.y, -0.01, 0.01);
+            vec3 light = normalize(sunPosition);
+     
+            float lightfactor = max(dot(light, normal),0.0);
+            lightfactor = min(max(lightfactor, 0.1), 1.0);
+            // float spec = max(dot(normalize(light + normalize(cv - fragWorldPos)), normal), 0.0);
+            // spec -= 0.9;
+            // spec = max(spec, 0.0);
+            // spec *= 4.0;
+            // vec3 specLight = spec * sunIntensity * sunColor.xyz;
+            vec3 diffLight = lightfactor * sunIntensity * sunLightColor.xyz * 0.1;
+            // vec3 totalLight = (specLight + diffLight);
+
+
+            if(idx > 0 || is_reflection_pass == 1) discard;
+            vec4 reflection = texelFetch(sampler2D(reftex, refsmp), ivec2(gl_FragCoord.x + int(rippleOffset.x * screen_w), screen_h + int(rippleOffset.y * screen_h) - gl_FragCoord.y), 0);
+            frag_color = vec4(min(vec3(1.0), vec3(mix(1.0, 0.8, smoothstep(0.0, 0.9, is_water_coast))) + diffLight), 1.0) * mix(sandcolor, reflection, smoothstep(0.0, 0.9, is_water_coast));
+            // frag_color = reflection;
+        } else {
             float h = (1.0 / 128.0) * idx;
-        float rand = (B(ruohokeskus) + sin(pos.x) * 0.4) * 0.5;
-        rand += noiseval_coarse * 0.4 + noiseval_fine * 0.1;
 
-        ruohokeskus.x += sin(time * 1.2) * 0.6 * h;
+            
+            rand -= mix(0.0, 1.0, coast_multiplier);
+            rand = max(0.0, rand);
+
+            ruohokeskus.x += sin(time * 1.2) * 0.2 * h;
         
             float distanceFromCenter = length(ruohokeskus - (densifiedCoordinate));
         
@@ -130,11 +227,16 @@ void main() {
              if(idx > 0 && (rand - h) * thickness < distanceFromCenter) {
                  discard;   
              } else {
-             frag_color = vec4(noiseval_coarse * 0.5, min(1.0, h + 0.2) + noiseval_fine * 0.2, 0.0, 1.0);
+                 if(idx == 0) {
+                     frag_color = mix(vec4(noiseval_coarse * 0.5, 0.2 + noiseval_fine * 0.2, 0.1, 1.0),sandcolor,coast_multiplier);
+                 } else {
+                     vec4 grass_color = vec4(noiseval_coarse * 0.5, min(1.0, h + 0.2) + noiseval_fine * 0.2, 0.1, 1.0);
+                     vec4 plantti_color = vec4(h, h * 0.3, 0.0, 1.0);
+                     vec4 normal_ground_color = mix(grass_color, plantti_color, noiseval_plantti);
+                     frag_color = mix(normal_ground_color, vec4(h * 2.0 + 0.4, h * 2.0 + 0.4, 0.0, 1.0), coast_multiplier);
+                 }
+             }
          }
-        
-        
-        
     }
 }
 @end

src/shaders/shader_sky.glsl

@@ -17,6 +17,7 @@ void main() {
 @end
 
 @fs fs_sky
+
 layout(binding=1) uniform sky_world_config {
     vec3 skyBase;
     vec3 skyTop;
@@ -35,6 +36,8 @@ layout(binding=1) uniform sky_world_config {
     int planeType;
 
     float time;
+
+    float grassDensity;
 };
 
 in vec4 pos;

src/shaders/shader_trile.glsl

@@ -46,6 +46,8 @@ layout(binding=1) uniform trile_world_config {
     int planeType;
 
     float time;
+
+    float grassDensity;
 };
 
 in vec3 cam;

src/shaders/shader_trixel.glsl

@@ -45,6 +45,8 @@ layout(binding=1) uniform trixel_world_config {
     int planeType;
 
     float time;
+
+    float grassDensity;
 };
 
 in vec4 color;

src/world.jai

@@ -14,7 +14,9 @@ World_Config :: struct {
 
     hasPlane      : s32  = 0; @Slider,0,1,1
     planeHeight   : float = 0.0; @Slider,-100,100,1
-    planeType     : s32   = 0; @Slider,0,2,1
+    planeType     : s32   = 0; @Slider,0,1,1
+
+    grassDensity  : float = 30; @Slider,10,100,1
 }
 
 // Copies over all the fields of our world config into a given shader type.
@@ -38,8 +40,42 @@ TrilePositions :: struct {
     positions: [..]Vector4;
 }
 
+Ground_Tile :: enum {
+    WATER;
+    GRASS;
+}
+
 World :: struct {
     // @ToDo: Add a pool into here so we allocate all of the world stuff in it's own pool.
     conf      : World_Config;
     positions : [..]TrilePositions;
+    ground    : [1000][1000]Ground_Tile;
+}
+
+update_image_from_ground :: (world: *World, img: *sg_image) {
+    materialdata : [1000*1000*4]u8;
+    counter      : int = 0;
+    for x: 0..1000 {
+        for y: 0..1000 {
+            if world.ground[x][y] == .GRASS {
+                materialdata[counter + 0] = 0;
+                materialdata[counter + 1] = 255;
+                materialdata[counter + 2] = 0;
+                materialdata[counter + 3] = 255;
+                
+            }
+            if world.ground[x][y] == .WATER {
+                materialdata[counter + 0] = 0;
+                materialdata[counter + 1] = 0;
+                materialdata[counter + 2] = 255;
+                materialdata[counter + 3] = 255;
+                
+            }
+            counter += 4;
+        } 
+    }
+    imgdata : sg_image_data;
+    imgdata.subimage[0][0] = .{materialdata.data, materialdata.count};
+
+    sg_update_image(img, *imgdata);
 }