From c5e90960fc333c2b1d2b3e961da439928b2ac872 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 6 Apr 2008 15:36:51 +0000
Subject: mouse control

---
 src/client/camera.h   |  3 +++
 src/client/console.cc |  2 ++
 src/client/input.cc   | 62 ++++++++++++++++++++++++++++++++++++++++++++++-----
 3 files changed, 61 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/client/camera.h b/src/client/camera.h
index 08adfaa..2a79fda 100644
--- a/src/client/camera.h
+++ b/src/client/camera.h
@@ -47,6 +47,9 @@ namespace camera
 	/// gameworld coordinates of the camera eye
 	extern math::Vector3f eye;
 
+	/// current camera mode
+	extern Mode mode;
+
 } // namespace camera
 
 } // namespace client
diff --git a/src/client/console.cc b/src/client/console.cc
index ca84384..04f896f 100644
--- a/src/client/console.cc
+++ b/src/client/console.cc
@@ -216,8 +216,10 @@ void toggle()
 		(*history_pos).clear();
 
 		SDL_WM_GrabInput(SDL_GRAB_OFF);
+		SDL_ShowCursor(SDL_ENABLE);
 	} else {
 		SDL_WM_GrabInput(SDL_GRAB_ON);
+		SDL_ShowCursor(SDL_DISABLE);
 	}
 	
 	setkeyboardmode(console::visible());
diff --git a/src/client/input.cc b/src/client/input.cc
index 0650119..c7c751e 100644
--- a/src/client/input.cc
+++ b/src/client/input.cc
@@ -12,6 +12,7 @@
 #include "client/camera.h"
 #include "client/keyboard.h"
 #include "client/video.h"
+#include "render/text.h"
 
 #include "SDL/SDL.h"
 
@@ -34,12 +35,17 @@ unsigned int last_control = 0;
 int mouse_x = 0;
 int mouse_y = 0;
 
+core::Cvar *cl_mousecontrol = 0;
+
 void init()
 {
 	con_print << "Initializing input..." << std::endl;
 	client::setkeyboardmode(false);
+ 	SDL_ShowCursor(SDL_DISABLE);
 	SDL_WM_GrabInput(SDL_GRAB_ON);
 //	SDL_EnableUNICODE(1);
+	cl_mousecontrol = core::Cvar::get("cl_mousecontrol", "0", core::Cvar::Archive);
+	cl_mousecontrol->set_info("[bool] mouse control");
 }
 
 void shutdown()
@@ -61,6 +67,8 @@ void keyreleased(const SDL_keysym &keysym)
 }
 
 // handle key press events for the game world
+
+// http://docs.mandragor.org/files/Common_libs_documentation/SDL/SDL_Documentation_project_en/sdlkey.html
 void keypressed(const SDL_keysym &keysym)
 {
 	switch (keysym.sym) {
@@ -77,7 +85,6 @@ void keypressed(const SDL_keysym &keysym)
 			camera::key_down();
 			break;
 		case SDLK_KP_PLUS:
-			// TODO set core entity params
 			local_thrust += 0.015f;
 			if (local_thrust > 1.0f)
 				local_thrust = 1.0f;
@@ -102,6 +109,27 @@ void keypressed(const SDL_keysym &keysym)
 	
 }
 
+// handle mouse button events for the game world
+
+// http://docs.mandragor.org/files/Common_libs_documentation/SDL/SDL_Documentation_project_en/sdlmousebuttonevent.html
+void mousebuttonpressed(const SDL_MouseButtonEvent &button)
+{
+	switch (button.button) {
+		case  SDL_BUTTON_WHEELUP:
+			local_thrust += 0.015f;
+			if (local_thrust > 1.0f)
+				local_thrust = 1.0f;
+
+			break;
+		case  SDL_BUTTON_WHEELDOWN:
+			local_thrust -= 0.02f;
+			if (local_thrust < 0.0f)
+				local_thrust = 0.0f;
+
+			break;
+	}
+}
+
 void frame(float seconds)
 {
 	if (core::localcontrol() && (last_control != core::localcontrol()->id())) {
@@ -119,7 +147,11 @@ void frame(float seconds)
 				mouse_x = event.motion.x;
 				mouse_y = event.motion.y;
 				break;
+			case SDL_MOUSEBUTTONDOWN:
+				if (!console::visible() && core::application()->connected() && core::localcontrol())
+					mousebuttonpressed(event.button);
 
+				break;
 			case SDL_KEYUP:
 				if (event.key.keysym.sym == SDLK_PRINT) {
 					video::screenshot();
@@ -162,12 +194,30 @@ void frame(float seconds)
 		}
 		
 	}
-	
+
 	if (!console::visible() && core::application()->connected() && core::localcontrol()) {
-		if (local_turn > 1.0f)
-			local_turn = 1.0f;
-		else if (local_turn < -1.0f)
-			local_turn = -1.0f;
+
+		if (cl_mousecontrol->value()) {
+			// mouse control when camera is in tracking mode
+			if (camera::mode == camera::Track) {
+				int l = mouse_x - (video::width >> 1);
+	
+				if (abs(l) < ( CHARWIDTH >> 1 )) // dead zone
+					local_turn = 0;
+				else {
+					l = (mouse_x - CHARWIDTH) - ((video::width - CHARWIDTH) >> 1);
+					local_turn = float (-l) / (float) ((video::width - CHARWIDTH) >> 1);
+				}
+			} else {
+				local_turn = 0;
+			}
+
+		} else {
+			if (local_turn > 1.0f)
+				local_turn = 1.0f;
+			else if (local_turn < -1.0f)
+				local_turn = -1.0f;
+		}
 
 		core::localcontrol()->set_thrust(local_thrust);
 		core::localcontrol()->set_direction(local_turn);
-- 
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