From 0f4153099c2a0d8fa4480dcd690820976df4a939 Mon Sep 17 00:00:00 2001
From: Elias Fleckenstein <eliasfleckenstein@web.de>
Date: Mon, 14 Jun 2021 20:58:57 +0200
Subject: [PATCH] Add mapgen contexts

---
 plugins/apple/apple.c         |  2 +-
 plugins/cherry/cherry.c       |  4 +---
 plugins/fireball/fireball.c   |  4 ----
 plugins/game/game.c           | 18 ++++--------------
 plugins/game/game.h           |  8 +++++++-
 plugins/inventory/inventory.c |  1 -
 plugins/monster/monster.c     |  4 +---
 plugins/sword/sword.c         |  2 --
 8 files changed, 14 insertions(+), 29 deletions(-)

diff --git a/plugins/apple/apple.c b/plugins/apple/apple.c
index 795800d..6adff08 100644
--- a/plugins/apple/apple.c
+++ b/plugins/apple/apple.c
@@ -34,7 +34,7 @@ static struct entity apple_entity = {
 	.on_damage = NULL,
 };
 
-static void spawn_apple(int x, int y)
+static void spawn_apple(int x, int y, enum mg_context ctx)
 {
 	spawn(apple_entity, x, y, NULL);
 }
diff --git a/plugins/cherry/cherry.c b/plugins/cherry/cherry.c
index f998770..1f96aca 100644
--- a/plugins/cherry/cherry.c
+++ b/plugins/cherry/cherry.c
@@ -6,8 +6,6 @@
 
 static bool use_cherry(struct itemstack *stack)
 {
-	(void) stack;
-
 	add_health(&player, 2);
 	return true;
 }
@@ -56,7 +54,7 @@ static struct entity cherry_entity = {
 	.on_damage = NULL,
 };
 
-static void spawn_cherry(int x, int y)
+static void spawn_cherry(int x, int y, enum mg_context ctx)
 {
 	spawn(cherry_entity, x, y, NULL);
 }
diff --git a/plugins/fireball/fireball.c b/plugins/fireball/fireball.c
index 39e93fb..a0e9a13 100644
--- a/plugins/fireball/fireball.c
+++ b/plugins/fireball/fireball.c
@@ -33,8 +33,6 @@ static void fireball_step(struct entity *self, struct entity_step_data stepdata)
 
 static void fireball_collide(struct entity *self, int x, int y)
 {
-	(void) x, y;
-
 	self->remove = true;
 }
 
@@ -82,8 +80,6 @@ static void shoot_fireball()
 
 static bool shoot_fireball_item(struct itemstack *stack)
 {
-	(void) stack;
-
 	shoot_fireball();
 	return true;
 }
diff --git a/plugins/game/game.c b/plugins/game/game.c
index 94ad148..adcb59a 100644
--- a/plugins/game/game.c
+++ b/plugins/game/game.c
@@ -129,12 +129,6 @@ double calculate_dtime(struct timespec from, struct timespec to)
 	return (double) (to.tv_sec - from.tv_sec) + (double) (to.tv_nsec - from.tv_nsec) / 1000000000.0;
 }
 
-/*struct roman_conversion_rule
-{
-	int number;
-	const char *symbol;
-};*/
-
 static struct
 {
 	int number;
@@ -327,7 +321,7 @@ struct entity player = {
 
 /* Mapgen */
 
-static void mapgen_set_air(int x, int y)
+static void mapgen_set_air(int x, int y, enum mg_context ctx)
 {
 	if (is_outside(x, y))
 		return;
@@ -341,7 +335,7 @@ static void mapgen_set_air(int x, int y)
 		struct generator_function *func = ptr->element;
 
 		if (rand() % func->chance == 0)
-			func->callback(x, y);
+			func->callback(x, y, ctx);
 	}
 }
 
@@ -363,7 +357,7 @@ static void generate_room(int origin_x, int origin_y)
 		}
 
 		for (int y = -up; y <= down; y++)
-			mapgen_set_air(origin_x + x, origin_y + y);
+			mapgen_set_air(origin_x + x, origin_y + y, MG_CTX_ROOM);
 	}
 }
 
@@ -385,7 +379,7 @@ static void generate_corridor(int lx, int ly, enum direction ldir)
 		return;
 	}
 
-	mapgen_set_air(lx, ly);
+	mapgen_set_air(lx, ly, MG_CTX_CORRIDOR);
 
 	int x, y;
 
@@ -511,8 +505,6 @@ static void render()
 
 static void handle_interrupt(int signal)
 {
-	(void) signal;
-
 	quit();
 }
 
@@ -526,8 +518,6 @@ static void handle_input(unsigned char c)
 
 static void *input_thread(void *unused)
 {
-	(void) unused;
-
 	while (running)
 		handle_input(tolower(fgetc(stdin)));
 
diff --git a/plugins/game/game.h b/plugins/game/game.h
index 21a9433..74fea1c 100644
--- a/plugins/game/game.h
+++ b/plugins/game/game.h
@@ -63,10 +63,16 @@ struct list
 	struct list *next;
 };
 
+enum mg_context
+{
+	MG_CTX_CORRIDOR,
+	MG_CTX_ROOM,
+};
+
 struct generator_function
 {
 	int chance;
-	void (*callback)(int x, int y);
+	void (*callback)(int x, int y, enum mg_context ctx);
 };
 
 struct input_handler
diff --git a/plugins/inventory/inventory.c b/plugins/inventory/inventory.c
index 66f663e..91130d8 100644
--- a/plugins/inventory/inventory.c
+++ b/plugins/inventory/inventory.c
@@ -7,7 +7,6 @@ static struct color darkgray;
 
 static bool use_item(struct itemstack *stack)
 {
-	(void) stack;
 	return true;
 }
 
diff --git a/plugins/monster/monster.c b/plugins/monster/monster.c
index 02957da..a9e725c 100644
--- a/plugins/monster/monster.c
+++ b/plugins/monster/monster.c
@@ -10,8 +10,6 @@ struct monster_data
 
 static void monster_spawn(struct entity *self, void *data)
 {
-	(void) data;
-
 	self->meta = malloc(sizeof(struct monster_data));
 	((struct monster_data *) self->meta)->timer = 0.5;
 }
@@ -62,7 +60,7 @@ static struct entity monster_entity = {
 };
 
 
-static void spawn_monster(int x, int y)
+static void spawn_monster(int x, int y, enum mg_context ctx)
 {
 	spawn(monster_entity, x, y, NULL);
 }
diff --git a/plugins/sword/sword.c b/plugins/sword/sword.c
index dc1118d..bac963f 100644
--- a/plugins/sword/sword.c
+++ b/plugins/sword/sword.c
@@ -7,8 +7,6 @@
 
 static bool use_broken_sword(struct itemstack *stack)
 {
-	(void) stack;
-
 	return true;
 }
 
-- 
2.44.0