Add support for constants in rpg_ headers

* Adds State::kDeath
* Adds pan constants so that they don't need to be duplicated in Player

generator/csv/constants.csv

@@ -0,0 +1,4 @@
+#Structure,name,type,value,comment
+State,kDeathID,int,1,The ID of the special death state
+SavePartyLocation,kPanXDefault,int,9 * 256,Equal to 9 tiles in 1/16th pixels
+SavePartyLocation,kPanYDefault,int,7 * 256,Equal to 7 tiles in 1/16th pixels

generator/csv/fields.csv

@@ -837,10 +837,10 @@ SavePartyLocation,unboarding,f,Boolean,0x68,False,0,0,
 SavePartyLocation,preboard_move_speed,f,Int32,0x69,4,0,0,Move speed before the party boarded the vehicle
 SavePartyLocation,menu_calling,f,Boolean,0x6C,False,0,0,Flag which briefly is true if the player presses ESC. At the right place in handling each frame's activities for the player; the code checks whether this flag is set and calls the menu; however there are several conditions which would cancel this flag and instead process another higher-priority action; such as when an encounter takes place during the same frame.
 SavePartyLocation,pan_state,f,Enum<SavePartyLoction_PanState>,0x6f,1,0,0,0: screen is fixed; 1: screen moves with player.
-SavePartyLocation,pan_current_x,f,Int32,0x70,2304,0,0,Number of 1/16 pixels to the left of player
-SavePartyLocation,pan_current_y,f,Int32,0x71,1792,0,0,Number of 1/16 pixels above the player
-SavePartyLocation,pan_finish_x,f,Int32,0x72,2304,0,0,Number of 1/16 pixels to the left of player when current scroll finishes
-SavePartyLocation,pan_finish_y,f,Int32,0x73,1792,0,0,Number of 1/16 pixels above the player when current scroll finishes.
+SavePartyLocation,pan_current_x,f,Int32,0x70,kPanXDefault,0,0,Number of 1/16 pixels to the left of player
+SavePartyLocation,pan_current_y,f,Int32,0x71,kPanYDefault,0,0,Number of 1/16 pixels above the player
+SavePartyLocation,pan_finish_x,f,Int32,0x72,kPanXDefault,0,0,Number of 1/16 pixels to the left of player when current scroll finishes
+SavePartyLocation,pan_finish_y,f,Int32,0x73,kPanYDefault,0,0,Number of 1/16 pixels above the player when current scroll finishes.
 SavePartyLocation,pan_speed,f,Int32,0x79,16,0,0,speed in the scrolls of the screen - shown in sixteenth pixels.
 SavePartyLocation,encounter_steps,f,Int32,0x7C,0,0,0,int: sum of terrain.encounter_rate for each step
 SavePartyLocation,encounter_calling,f,Boolean,0x7D,False,0,0,Similar to 0x6C - is used to signal a different piece of code that an encounter is to be triggered; which may be cancelled by other conditions such as the player starting to interact with an event during the same frame.

generator/generate.py

@@ -273,6 +273,9 @@ def get_flags(filename='flags.csv'):
 def get_setup(filename='setup.csv'):
     return process_file(filename, namedtuple("Setup", "method headers"))
 
+def get_constants(filename='constants.csv'):
+    return process_file(filename, namedtuple("Constant", "name type value comment"))
+
 def get_headers():
     header_map = dict()
 
@@ -379,14 +382,15 @@ def main(argv):
     if not os.path.exists(dest_dir):
         os.mkdir(dest_dir)
 
-    global structs, sfields, enums, flags, setup, headers
+    global structs, sfields, enums, flags, setup, constants, headers
     global chunk_tmpl, lcf_struct_tmpl, rpg_header_tmpl, rpg_source_tmpl, flags_tmpl, enums_tmpl
 
     structs = get_structs()
     sfields = get_fields()
     enums = get_enums()
     flags = get_flags()
     setup = get_setup()
+    constants = get_constants()
     headers = get_headers()
 
     # Setup Jinja
@@ -407,6 +411,7 @@ def main(argv):
         flags=flags,
         enums=enums,
         setup=setup,
+        constants=constants,
         headers=headers
     )
 

generator/templates/rpg_header.tmpl

@@ -25,6 +25,12 @@ namespace RPG {
 	{%- if struct_name == "Map" %}
 		std::string lmu_header;
 	{%- endif %}
+	{%- if struct_name in constants %}
+	{%- for name, type, value, comment in constants[struct_name] %}
+		// {{ comment }}
+		static constexpr {{ type }} {{ name }} = {{ value }};
+	{%- endfor %}
+	{% endif %}
 	{%- if struct_name in enums %}
 	{%- for name, enum in enums[struct_name].items() %}
 		{%- if name == "Code" %}

src/generated/rpg_savepartylocation.h

@@ -23,6 +23,11 @@
 namespace RPG {
 	class SavePartyLocation : public SaveMapEventBase {
 	public:
+		// Equal to 9 tiles in 1/16th pixels
+		static constexpr int kPanXDefault = 9 * 256;
+		// Equal to 7 tiles in 1/16th pixels
+		static constexpr int kPanYDefault = 7 * 256;
+
 		enum VehicleType {
 			VehicleType_none = 0,
 			VehicleType_skiff = 1,
@@ -51,10 +56,10 @@ namespace RPG {
 		int32_t preboard_move_speed = 4;
 		bool menu_calling = false;
 		int32_t pan_state = 1;
-		int32_t pan_current_x = 2304;
-		int32_t pan_current_y = 1792;
-		int32_t pan_finish_x = 2304;
-		int32_t pan_finish_y = 1792;
+		int32_t pan_current_x = kPanXDefault;
+		int32_t pan_current_y = kPanYDefault;
+		int32_t pan_finish_x = kPanXDefault;
+		int32_t pan_finish_y = kPanYDefault;
 		int32_t pan_speed = 16;
 		int32_t encounter_steps = 0;
 		bool encounter_calling = false;

src/generated/rpg_state.h

@@ -23,6 +23,9 @@
 namespace RPG {
 	class State {
 	public:
+		// The ID of the special death state
+		static constexpr int kDeathID = 1;
+
 		enum Persistence {
 			Persistence_ends = 0,
 			Persistence_persists = 1