Day/night cycle sun movement, artist driven camera pos override from blender

art/Exporter.py

@@ -6,6 +6,7 @@ import struct
 from mathutils import *; from math import *
 from bpy_extras.io_utils import (axis_conversion)
 from dataclasses import dataclass
+import cProfile
 
 C = bpy.context
 D = bpy.data
@@ -300,7 +301,7 @@ def collect_and_validate_mesh_objects(collection_with_only_mesh_objects):
 
     return to_return
 
-def get_startswith(name_of_overarching_thing, iterable, starts_with):
+def get_startswith(name_of_overarching_thing, iterable, starts_with, required = True):
     """
     Gets the thing in iterable that starts with starts with, and makes sure there's only *one* thing that starts with starts with
     name_of_overarching_thing is for the error message, for reporting in what collection things went wrong in.
@@ -310,7 +311,7 @@ def get_startswith(name_of_overarching_thing, iterable, starts_with):
         if thing.name.startswith(starts_with):
             assert to_return == None, f"Duplicate thing that starts with '{starts_with}' found in {name_of_overarching_thing} called {thing.name}"
             to_return = thing
-    assert to_return != None, f"Couldn't find thing that starts with '{starts_with}' as a child of '{name_of_overarching_thing}', but one is required"
+    if required: assert to_return != None, f"Couldn't find thing that starts with '{starts_with}' as a child of '{name_of_overarching_thing}', but one is required"
     return to_return
 
 def no_hidden(objects):
@@ -373,6 +374,17 @@ def export_meshes_and_levels():
                     assert o.rotation_euler.order == 'XYZ', f"Invalid rotation euler order for object of name '{o.name}', it's {o.rotation_euler.order} but must be XYZ"
                     placed_entities.append((name_despite_copied(o.name), mapping @ o.location, o.rotation_euler, o.scale))
 
+            camera_override = None
+            if True:
+                camera_object = get_startswith(room_collection.name, room_collection.objects, "Camera", required = False)
+                if camera_object:
+                    camera_override = mapping @ camera_object.location
+
+            write_b8(f, camera_override != None)
+            if camera_override:
+                write_f32(f, camera_override.x)
+                write_f32(f, camera_override.y)
+                write_f32(f, camera_override.z)
 
             write_u64(f, len(placed_meshes))
             for p in placed_meshes:
@@ -454,5 +466,8 @@ def export_meshes_and_levels():
     print("Success!")
 
 
+def export_everything():
     export_armatures()
     export_meshes_and_levels()
+export_everything()
+#cProfile.run("export_everything") # gave up optimizing this because after reading this output I'm not sure what the best direction is, it seems like it's just a lot of data, specifically the images, is why it's slow... I could hash them and only write if the hash changes but whatever

main.c

@@ -1251,6 +1251,8 @@ typedef struct Room
 {
 	struct Room *next;
 
+	bool camera_offset_is_overridden;
+	Vec3 camera_offset;
 	String8 name;
 	PlacedMesh *placed_mesh_list;
 	CollisionCylinder *collision_list;
@@ -1326,6 +1328,12 @@ ThreeDeeLevel load_level(Arena *arena, String8 binary_file)
 		Room *new_room = PushArray(arena, Room, 1);
 		ser_String8(&ser, &new_room->name, arena);
 
+		ser_bool(&ser, &new_room->camera_offset_is_overridden);
+		if(new_room->camera_offset_is_overridden)
+		{
+			ser_Vec3(&ser, &new_room->camera_offset);
+		}
+
 		// placed meshes
 		{
 			u64 num_placed = 0;
@@ -5813,6 +5821,10 @@ void frame(void)
 			away_from_player = V3(x, y, 0.0);
 		}
 		away_from_player = MulM4V4(Rotate_RH(-PI32/3.0f + PI32, V3(0,1,0)), IsPoint(away_from_player)).xyz;
+		if(get_cur_room(&gs, &level_threedee)->camera_offset_is_overridden)
+		{
+			away_from_player = get_cur_room(&gs, &level_threedee)->camera_offset;
+		}
 		Vec3 cam_pos = AddV3(player_pos, away_from_player);
 
 		Vec2 movement = { 0 };
@@ -5839,17 +5851,11 @@ void frame(void)
 
 		Vec3 light_dir;
 		{
-			float spin_factor = 0.0f;
+			float t = (float)(elapsed_time/3.0f - floor(elapsed_time/3.0f));
-			float t = (float)elapsed_time * spin_factor;
+			Vec3 sun_vector = V3(2.0f*t - 1.0f, sinf(t*PI32), 0.8f); // where the sun is pointing from
-
+			light_dir = NormV3(MulV3F(sun_vector, -1.0f));
-			float x = cosf(t);
-			float z = sinf(t);
-
-			light_dir = NormV3(V3(x, -0.5f, z));
 		}
 
-
-
 		// make movement relative to camera forward
 		Vec3 facing = NormV3(SubV3(player_pos, cam_pos));
 		Vec3 right = Cross(facing, V3(0,1,0));
@@ -5949,11 +5955,6 @@ void frame(void)
 						break;
 					}
 					if (it->killed)
-					{
-						assert(false);
-						break;
-					}
-					if (it->killed)
 					{
 						to_use->go_to_animation = S8Lit("Die Backwards");
 						to_use->next_animation_isnt_looping = true;

tuning.h

@@ -65,9 +65,9 @@
 
 
 //Rendering
-#define FIELD_OF_VIEW (PI32/4.0f)
+#define FIELD_OF_VIEW (0.6911112070083618) // FOV
 #define NEAR_PLANE_DISTANCE (0.01f)
-#define FAR_PLANE_DISTANCE (45.0f)
+#define FAR_PLANE_DISTANCE (70.0f)
 #define SHADOW_MAP_DIMENSION (2048)
 
 // Post-processing