From f3d3b03870a6842e104c67ce6fc7edfde89d77ec Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Mon, 9 Aug 2010 17:53:10 +0000
Subject: Add weapon cycling bindings for mouse and joystick buttons. Add
 weapon cycling bindings to configuration file and setup tool.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 1953
---
 src/g_game.c   | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 src/m_config.c | 44 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/g_game.c b/src/g_game.c
index 1e163716..bf9560db 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -198,6 +198,9 @@ int             mousebstraferight = -1;
 int             mousebbackward = -1;
 int             mousebuse = -1;
 
+int             mousebprevweapon = -1;
+int             mousebnextweapon = -1;
+
 // Control whether if a mouse button is double clicked, it acts like 
 // "use" has been pressed
 
@@ -210,6 +213,9 @@ int             joybspeed = 2;
 int             joybstrafeleft = -1;
 int             joybstraferight = -1;
 
+int             joybprevweapon = -1;
+int             joybnextweapon = -1;
+
 // fraggle: Disallow mouse and joystick movement to cause forward/backward
 // motion.  Specified with the '-novert' command line parameter.
 // This is an int to allow saving to config file
@@ -262,11 +268,13 @@ static const struct
 #define SLOWTURNTICS	6 
  
 #define NUMKEYS		256 
+#define MAX_JOY_BUTTONS 20
+#define MAX_MOUSE_BUTTONS 3
 
 static boolean  gamekeydown[NUMKEYS]; 
 static int      turnheld;		// for accelerative turning 
  
-static boolean  mousearray[4]; 
+static boolean  mousearray[MAX_MOUSE_BUTTONS + 1];
 static boolean *mousebuttons = &mousearray[1];  // allow [-1]
 
 // mouse values are used once 
@@ -280,8 +288,6 @@ static int      dclicktime2;
 static boolean  dclickstate2;
 static int      dclicks2;
 
-#define MAX_JOY_BUTTONS 20
-
 // joystick values are repeated 
 static int      joyxmove;
 static int      joyymove;
@@ -815,7 +821,6 @@ void G_DoLoadLevel (void)
         players[consoleplayer].message = "Press escape to quit.";
     }
 } 
- 
 
 static void SetJoyButtons(unsigned int buttons_mask)
 {
@@ -823,10 +828,54 @@ static void SetJoyButtons(unsigned int buttons_mask)
 
     for (i=0; i<MAX_JOY_BUTTONS; ++i)
     {
-        joybuttons[i] = (buttons_mask & (1 << i)) != 0;
+        int button_on = (buttons_mask & (1 << i)) != 0;
+
+        // Detect button press:
+
+        if (!joybuttons[i] && button_on)
+        {
+            // Weapon cycling:
+
+            if (i == joybprevweapon)
+            {
+                next_weapon = -1;
+            }
+            else if (i == joybnextweapon)
+            {
+                next_weapon = 1;
+            }
+        }
+
+        joybuttons[i] = button_on;
     }
 }
- 
+
+static void SetMouseButtons(unsigned int buttons_mask)
+{
+    int i;
+
+    for (i=0; i<MAX_MOUSE_BUTTONS; ++i)
+    {
+        unsigned int button_on = (buttons_mask & (1 << i)) != 0;
+
+        // Detect button press:
+
+        if (!mousebuttons[i] && button_on)
+        {
+            if (i == mousebprevweapon)
+            {
+                next_weapon = -1;
+            }
+            else if (i == mousebnextweapon)
+            {
+                next_weapon = 1;
+            }
+        }
+
+	mousebuttons[i] = button_on;
+    }
+}
+
 //
 // G_Responder  
 // Get info needed to make ticcmd_ts for the players.
@@ -927,9 +976,7 @@ boolean G_Responder (event_t* ev)
 	return false;   // always let key up events filter down 
 		 
       case ev_mouse: 
-	mousebuttons[0] = ev->data1 & 1; 
-	mousebuttons[1] = ev->data1 & 2; 
-	mousebuttons[2] = ev->data1 & 4; 
+        SetMouseButtons(ev->data1);
 	mousex = ev->data2*(mouseSensitivity+5)/10; 
 	mousey = ev->data3*(mouseSensitivity+5)/10; 
 	return true;    // eat events 
diff --git a/src/m_config.c b/src/m_config.c
index b2e52e7f..2065700e 100644
--- a/src/m_config.c
+++ b/src/m_config.c
@@ -148,6 +148,8 @@ extern int key_weapon5;
 extern int key_weapon6;
 extern int key_weapon7;
 extern int key_weapon8;
+extern int key_prevweapon;
+extern int key_nextweapon;
 
 extern int key_message_refresh;
 extern int key_demo_quit;
@@ -164,6 +166,9 @@ extern int      mousebstraferight;
 extern int      mousebbackward;
 extern int      mousebuse;
 
+extern int      mousebprevweapon;
+extern int      mousebnextweapon;
+
 extern int      dclick_use;
 
 extern int	joybfire;
@@ -173,6 +178,9 @@ extern int	joybspeed;
 extern int      joybstrafeleft;
 extern int      joybstraferight;
 
+extern int      joybprevweapon;
+extern int      joybnextweapon;
+
 extern int	viewwidth;
 extern int	viewheight;
 
@@ -747,6 +755,18 @@ static default_t extra_defaults_list[] =
 
     CONFIG_VARIABLE_INT(joyb_straferight,          joybstraferight),
 
+    //!
+    // Joystick button to cycle to the previous weapon.
+    //
+
+    CONFIG_VARIABLE_INT(joyb_prevweapon,           joybprevweapon),
+
+    //!
+    // Joystick button to cycle to the next weapon.
+    //
+
+    CONFIG_VARIABLE_INT(joyb_nextweapon,          joybnextweapon),
+
     //!
     // Mouse button to strafe left.
     //
@@ -771,6 +791,18 @@ static default_t extra_defaults_list[] =
 
     CONFIG_VARIABLE_INT(mouseb_backward,           mousebbackward),
 
+    //!
+    // Mouse button to cycle to the previous weapon.
+    //
+
+    CONFIG_VARIABLE_INT(mouseb_prevweapon,         mousebprevweapon),
+
+    //!
+    // Mouse button to cycle to the next weapon.
+    //
+
+    CONFIG_VARIABLE_INT(mouseb_nextweapon,         mousebnextweapon),
+
     //!
     // If non-zero, double-clicking a mouse button acts like pressing
     // the "use" key to use an object in-game, eg. a door or switch.
@@ -1061,6 +1093,18 @@ static default_t extra_defaults_list[] =
 
     CONFIG_VARIABLE_KEY(key_weapon8,               key_weapon8),
 
+    //!
+    // Key to cycle to the previous weapon.
+    //
+
+    CONFIG_VARIABLE_KEY(key_prevweapon,            key_prevweapon),
+
+    //!
+    // Key to cycle to the next weapon.
+    //
+
+    CONFIG_VARIABLE_KEY(key_nextweapon,            key_nextweapon),
+
     //!
     // Key to re-display last message.
     //
-- 
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