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File lua53.patch of Package 3omns (Revision 4c9b6b45103d67163a1215ad66eb7037)

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From 1524b7cc7b8e6e18cc1575118e87ea464d6ae494 Mon Sep 17 00:00:00 2001
From: Charles Lindsay <chaz@chazomatic.us>
Date: Fri, 8 Jul 2016 21:38:59 -0700
Subject: [PATCH] Upgrade to Lua 5.3

It's been out for a while, might as well keep current.

The C code is pretty easy--unsigneds just become integers, no big whoop.
The lua code is a little trickier since every math operation has to
(gets to?) take the new integer type into account.  I think I got it all
ok, might've even gotten a little pedantic in there... but if this isn't
the place for pedantry, what is?
---
 configure.ac               |  6 +++---
 l3/l3.c                    |  2 +-
 l3/level.c                 | 18 +++++++++---------
 l3/sync.c                  |  2 +-
 res/base/bot.lua           |  8 ++++----
 res/base/entities/bomn.lua |  4 ++--
 res/base/entities/dude.lua |  8 ++++----
 res/base/generate.lua      | 22 +++++++++++-----------
 res/base/sprites/blast.lua |  4 ++--
 9 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/configure.ac b/configure.ac
index 1833c5b..941d132 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,9 +18,9 @@ PKG_CHECK_MODULES([SDL], [
 	SDL2_image >= 2.0.0
 	SDL2_ttf >= 2.0.12
 ])
-PKG_CHECK_MODULES([LUA], [lua5.2 >= 5.2.0], [], dnl Linux package name
-	[PKG_CHECK_MODULES([LUA], [lua-5.2 >= 5.2.0], [], dnl BSD
-	[PKG_CHECK_MODULES([LUA], [lua >= 5.2.0])] dnl OpenSUSE (et al.?)
+PKG_CHECK_MODULES([LUA], [lua5.3 >= 5.3.0], [], dnl Linux package name
+	[PKG_CHECK_MODULES([LUA], [lua-5.3 >= 5.3.0], [], dnl BSD
+	[PKG_CHECK_MODULES([LUA], [lua >= 5.3.0])] dnl OpenSUSE (et al.?)
 )])
 AC_CHECK_HEADERS([argp.h], [],
 	[AC_MSG_ERROR([cannot find required header argp.h])]
diff --git a/l3/l3.c b/l3/l3.c
index e540f09..9392b48 100644
--- a/l3/l3.c
+++ b/l3/l3.c
@@ -128,7 +128,7 @@ static void set_tile_images(lua_State *restrict l) {
         b3_fatal("Missing global table %s", L3_TILE_IMAGES_NAME);
 
     for(int i = 0; i < B3_TILE_COUNT; i++) {
-        lua_pushunsigned(l, (lua_Unsigned)i);
+        lua_pushinteger(l, (lua_Integer)i);
         lua_gettable(l, -2);
 
         b3_image **p_image = luaL_testudata(l, -1, IMAGE_METATABLE);
diff --git a/l3/level.c b/l3/level.c
index f566237..4f0ae97 100644
--- a/l3/level.c
+++ b/l3/level.c
@@ -40,7 +40,7 @@ l3_level *push_new_level(lua_State *restrict l) {
 
 static int level_new(lua_State *restrict l) {
     b3_size size = check_size(l, 1);
-    int max_entities = luaL_checkint(l, 2);
+    int max_entities = (int)luaL_checkinteger(l, 2);
 
     l3_level *level = push_new_level(l);
 
@@ -84,14 +84,14 @@ static int level_get_tile(lua_State *restrict l) {
     l3_level *level = check_level(l, 1);
     b3_pos pos = check_map_pos(l, 2, level->map);
 
-    lua_pushunsigned(l, (lua_Unsigned)b3_get_map_tile(level->map, &pos));
+    lua_pushinteger(l, (lua_Integer)b3_get_map_tile(level->map, &pos));
     return 1;
 }
 
 static int level_set_tile(lua_State *restrict l) {
     l3_level *level = check_level(l, 1);
     b3_pos pos = check_map_pos(l, 2, level->map);
-    b3_tile tile = (b3_tile)luaL_checkunsigned(l, 3);
+    b3_tile tile = (b3_tile)luaL_checkinteger(l, 3);
 
     b3_set_map_tile(level->map, &pos, tile);
 
@@ -231,7 +231,7 @@ static int sprentity_set_image(lua_State *restrict l) {
 // Works on either "sprites" or entities.
 static int sprentity_set_z_order(lua_State *restrict l) {
     b3_entity *entity = check_sprentity(l, 1);
-    int z_order = luaL_checkint(l, 2);
+    int z_order = (int)luaL_checkinteger(l, 2);
 
     b3_set_entity_z_order(entity, z_order);
 
@@ -263,7 +263,7 @@ static int level_new_entity(lua_State *restrict l) {
 
 static int level_get_entity(lua_State *restrict l) {
     l3_level *level = check_level(l, 1);
-    b3_entity_id id = (b3_entity_id)luaL_checkunsigned(l, 2);
+    b3_entity_id id = (b3_entity_id)luaL_checkinteger(l, 2);
 
     b3_entity *entity = b3_get_entity(level->entities, id);
     if(entity) {
@@ -279,14 +279,14 @@ static int level_get_entity(lua_State *restrict l) {
 
 static int level_set_dude(lua_State *restrict l) {
     l3_level *level = check_level(l, 1);
-    int i = luaL_checkint(l, 2) - 1;
+    int i = (int)luaL_checkinteger(l, 2) - 1;
     luaL_argcheck(
         l,
         i >= 0 && i < L3_DUDE_COUNT,
         2,
         "dude index out of bounds"
     );
-    b3_entity_id id = (b3_entity_id)luaL_checkunsigned(l, 3);
+    b3_entity_id id = (b3_entity_id)luaL_checkinteger(l, 3);
 
     level->dude_ids[i] = id;
 
@@ -298,7 +298,7 @@ static int entity_get_id(lua_State *restrict l) {
     b3_entity *entity = check_entity(l, 1);
 
     b3_entity_id id = b3_get_entity_id(entity);
-    lua_pushunsigned(l, (lua_Unsigned)id);
+    lua_pushinteger(l, (lua_Integer)id);
     return 1;
 }
 
@@ -328,7 +328,7 @@ static int entity_get_life(lua_State *restrict l) {
 
 static int entity_set_life(lua_State *restrict l) {
     b3_entity *entity = check_entity(l, 1);
-    int life = luaL_checkint(l, 2);
+    int life = (int)luaL_checkinteger(l, 2);
 
     b3_set_entity_life(entity, life);
 
diff --git a/l3/sync.c b/l3/sync.c
index ed0cd08..6e470a4 100644
--- a/l3/sync.c
+++ b/l3/sync.c
@@ -130,7 +130,7 @@ void l3_sync_deleted(b3_entity_id ids[], int count) {
     lua_createtable(lua, count, 0);
     for(int i = 0; i < count; i++) {
         lua_pushinteger(lua, (lua_Integer)(i + 1));
-        lua_pushunsigned(lua, (lua_Unsigned)ids[i]);
+        lua_pushinteger(lua, (lua_Integer)ids[i]);
         lua_settable(lua, -3);
     }
 
diff --git a/res/base/bot.lua b/res/base/bot.lua
index d873c54..e0c8b59 100644
--- a/res/base/bot.lua
+++ b/res/base/bot.lua
@@ -36,7 +36,7 @@ end
 function Bot:co_start(elapsed)
   -- Wait just a tick (beyond what's already elapsed, which we ignore) to be a
   -- little more human at the start.
-  self:co_wait(self.action_time + math.random(0, 5) / 10)
+  self:co_wait(self.action_time + math.random(0, 5) / 10.0)
 
   while true do
     self:co_rethink()
@@ -55,7 +55,7 @@ function Bot:co_rethink(danger)
 end
 
 function Bot:do_until(act, done)
-  local elapsed = 0
+  local elapsed = 0.0
   while not done(elapsed) do
     elapsed = elapsed + act()
   end
@@ -229,7 +229,7 @@ function Bot:co_run_away(danger)
   -- TODO: omit paths (unless it's the only one) that go through a dude.
 
   local function interrupt(elapsed)
-    return elapsed > 3
+    return elapsed > 3.0
   end
 
   if #safe == 0 then
@@ -252,7 +252,7 @@ function Bot:co_hunt()
   end
 
   local function interrupt(elapsed)
-    return elapsed > 1 or self:get_danger()
+    return elapsed > 1.0 or self:get_danger()
   end
 
   if not target then
diff --git a/res/base/entities/bomn.lua b/res/base/entities/bomn.lua
index 9ac571d..270a48f 100644
--- a/res/base/entities/bomn.lua
+++ b/res/base/entities/bomn.lua
@@ -29,7 +29,7 @@ local serial = require("serial")
 local Blast = require("sprites.blast")
 
 
-Bomn.TIME = 3
+Bomn.TIME = 3.0
 Bomn.RADIUS = 8
 
 Bomn.ANIMATION = nil
@@ -149,7 +149,7 @@ end
 
 function Bomn:l3_update(backing, elapsed)
   self.time = self.time - elapsed
-  if self.time <= 0 then
+  if self.time <= 0.0 then
     self:explode(backing)
     return
   end
diff --git a/res/base/entities/dude.lua b/res/base/entities/dude.lua
index c016701..9ad5d43 100644
--- a/res/base/entities/dude.lua
+++ b/res/base/entities/dude.lua
@@ -29,7 +29,7 @@ local Entities = require("entities")
 local Bot = require("bot")
 
 
-Dude.SUPER_TIME = 10
+Dude.SUPER_TIME = 10.0
 Dude.BUMP_DAMAGE = 1
 Dude.BLAST_DAMAGE = 5
 
@@ -83,7 +83,7 @@ function Dude:set_visual(backing)
 end
 
 function Dude:is_super()
-  return self.super_time > 0
+  return self.super_time > 0.0
 end
 
 function Dude:can_fire()
@@ -98,7 +98,7 @@ function Dude:superify(backing)
 end
 
 function Dude:unsuperify(backing)
-  self.super_time = 0
+  self.super_time = 0.0
 
   -- If we ever call unsuperify before the time is actually out, we'll also
   -- need a self:set_dirty(backing) call here.
@@ -169,7 +169,7 @@ function Dude:l3_update(backing, elapsed)
 
   if self:is_super() then
     self.super_time = self.super_time - elapsed
-    if self.super_time <= 0 then
+    if self.super_time <= 0.0 then
       self:unsuperify(backing)
     end
   end
diff --git a/res/base/generate.lua b/res/base/generate.lua
index df5f68c..0100bbb 100644
--- a/res/base/generate.lua
+++ b/res/base/generate.lua
@@ -56,16 +56,16 @@ end
 
 function Generator:set_spawns()
   local quads = {
-    core.Pos(MAP_SIZE.width / 2, MAP_SIZE.height / 2),
+    core.Pos(MAP_SIZE.width // 2, MAP_SIZE.height // 2),
     core.Pos(0, 0),
-    core.Pos(MAP_SIZE.width / 2, 0),
-    core.Pos(0, MAP_SIZE.height / 2),
+    core.Pos(MAP_SIZE.width // 2, 0),
+    core.Pos(0, MAP_SIZE.height // 2),
   }
 
   for i, q in ipairs(quads) do
     self.spawns[i] = core.Pos(
-      math.random(q.x + 2, q.x + MAP_SIZE.width  / 2 - 2),
-      math.random(q.y + 2, q.y + MAP_SIZE.height / 2 - 2)
+      math.random(q.x + 2, q.x + MAP_SIZE.width  // 2 - 2),
+      math.random(q.y + 2, q.y + MAP_SIZE.height // 2 - 2)
     )
   end
 end
@@ -79,8 +79,8 @@ end
 
 function Generator:add_walls()
   local fourth = core.Size(
-    math.floor(MAP_SIZE.width  / 4),
-    math.floor(MAP_SIZE.height / 4)
+    math.floor(MAP_SIZE.width  // 4),
+    math.floor(MAP_SIZE.height // 4)
   )
   local pos = {
     core.Pos(fourth.width, fourth.height),
@@ -111,7 +111,7 @@ function Generator:add_walls()
   for _, p in ipairs(pos) do
     wall_grid(p)
   end
-  wall_grid(core.Pos(MAP_SIZE.width / 2, MAP_SIZE.height / 2))
+  wall_grid(core.Pos(MAP_SIZE.width // 2, MAP_SIZE.height // 2))
 end
 
 function Generator:fill_space()
@@ -139,8 +139,8 @@ function Generator:spawn_crates()
   local function bisect(a, b)
     -- Rounded up or down at random.
     return core.Pos(
-      math.floor((a.x + b.x) / 2 + 0.5 * math.random(0, 1)),
-      math.floor((a.y + b.y) / 2 + 0.5 * math.random(0, 1))
+      math.floor((a.x + b.x) / 2.0 + 0.5 * math.random(0, 1)),
+      math.floor((a.y + b.y) / 2.0 + 0.5 * math.random(0, 1))
     )
   end
 
@@ -163,7 +163,7 @@ function Generator:spawn_crates()
     return true
   end
 
-  local center = core.Pos(MAP_SIZE.width / 2, MAP_SIZE.height / 2)
+  local center = core.Pos(MAP_SIZE.width // 2, MAP_SIZE.height // 2)
 
   span_dir = core.Pos(0, 1)
   util.line(center, bisect(self.spawns[1], self.spawns[3]), crates)
diff --git a/res/base/sprites/blast.lua b/res/base/sprites/blast.lua
index e8196ad..019f918 100644
--- a/res/base/sprites/blast.lua
+++ b/res/base/sprites/blast.lua
@@ -27,7 +27,7 @@ local core = require("core")
 local util = require("util")
 
 
-Blast.TIME = 1
+Blast.TIME = 1.0
 
 function Blast:init_animation()
   self.animation = {}
@@ -63,7 +63,7 @@ end
 
 function Blast:l3_update(backing, elapsed)
   self.time = self.time - elapsed
-  if self.time <= 0 then
+  if self.time <= 0.0 then
     self:destroy(backing)
     return
   end

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File lua53.patch of Package 3omns (Revision 4c9b6b45103d67163a1215ad66eb7037)

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