Moved Stars45 to StarsEx

1 files changed, 245 insertions, 0 deletions

diff --git a/StarsEx/MouseController.cpp b/StarsEx/MouseController.cpp
new file mode 100644
index 0000000..75fd0f5
--- /dev/null
+++ b/StarsEx/MouseController.cpp
@@ -0,0 +1,245 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    MouseController Input class
+*/
+
+#include "MouseController.h"
+#include "Keyboard.h"
+#include "Mouse.h"
+#include "Clock.h"
+#include "Video.h"
+
+// +--------------------------------------------------------------------+
+
+static MouseController* instance = 0;
+static DWORD rbutton_latch       = 0;
+static DWORD mbutton_latch       = 0;
+static DWORD active_latch        = 0;
+
+// +--------------------------------------------------------------------+
+
+MouseController::MouseController()
+: p(0), r(0), w(0), dx(0), dy(0), t(0)
+{
+    instance    = this;
+    select      =   0;
+    sensitivity =  10;
+    swapped     =   0;
+    active      = false;
+
+    active_key  = 20; // caps lock
+
+    rbutton_latch = 0;
+
+    for (int i = 0; i < MotionController::MaxActions; i++)
+    action[i] = 0;
+}
+
+MouseController::~MouseController()
+{
+    instance = 0;
+}
+
+MouseController*
+MouseController::GetInstance()
+{
+    return instance;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+MouseController::MapKeys(KeyMapEntry* mapping, int nkeys)
+{
+    for (int i = 0; i < nkeys; i++) {
+        KeyMapEntry k = mapping[i];
+
+        if (k.act >= KEY_MAP_FIRST && k.act <= KEY_MAP_LAST) {
+
+            if (k.act == KEY_MOUSE_SENSE)
+            sensitivity = k.key;
+
+            else if (k.act == KEY_MOUSE_SWAP)
+            swapped = k.key;
+
+            else if (k.act == KEY_MOUSE_INVERT)
+            inverted = k.key;
+
+            else if (k.act == KEY_MOUSE_SELECT)
+            select = k.key;
+
+            else if (k.act == KEY_MOUSE_ACTIVE)
+            active_key = k.key;
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+static inline double sqr(double a) { return a*a; }
+
+void
+MouseController::Acquire()
+{
+    p = r = w = 0;
+    action[0] = 0;
+    action[1] = 0;
+    action[2] = 0;
+    action[3] = 0;
+
+    if (active_key && Keyboard::KeyDown(active_key)) {
+        active_latch = 1;
+    }
+    else {
+        if (active_latch) {
+            active_latch = 0;
+            active = !active;
+        }
+    }
+
+    if (!select || !active)
+    return;
+
+    action[0] = Mouse::LButton();
+
+    int roll_enable = 0;
+
+    if (Mouse::RButton()) {
+        roll_enable = 1;
+
+        if (!rbutton_latch)
+        rbutton_latch = Clock::GetInstance()->RealTime();
+    }
+    else {
+        if (rbutton_latch) {
+            rbutton_latch = Clock::GetInstance()->RealTime() - rbutton_latch;
+            if (rbutton_latch < 250)
+            action[1] = 1;
+        }
+
+        rbutton_latch = 0;
+    }
+
+    if (Mouse::MButton()) {
+        if (!mbutton_latch)
+        mbutton_latch = Clock::GetInstance()->RealTime();
+    }
+    else {
+        if (mbutton_latch) {
+            action[3] = 1;
+        }
+
+        mbutton_latch = 0;
+    }
+
+    double   step = 0;
+    int      cx   = Video::GetInstance()->Width()/2;
+    int      cy   = Video::GetInstance()->Height()/2;
+
+    dx += Mouse::X() - cx;
+    dy += Mouse::Y() - cy;
+
+    step = fabs(dx)/cx;
+
+    if (roll_enable || select == 1)
+    step *= 3 * sensitivity;
+    else
+    step *= step * sensitivity/4;
+
+    if (roll_enable) {
+        if (dx > 0)
+        r = -step;
+        else if (dx < 0)
+        r =  step;
+    }
+    else {
+        if (dx > 0)
+        w =  step;
+        else if (dx < 0)
+        w = -step;
+    }
+
+    step = fabs(dy)/cy;
+
+    if (select == 1)
+    step *= 2 * sensitivity;
+    else
+    step *= step * sensitivity/4;
+
+    if (inverted) {
+        step *= -1;
+    }
+
+    if (dy > 0)
+    p  = step;
+    else if (dy < 0)
+    p = -step;
+
+    if (select == 1) {
+        ::SetCursorPos(cx, cy);
+
+        double drain = cx * 4 * Clock::GetInstance()->Delta();
+
+        if (dx > drain) {
+            dx -= drain;
+        }
+        else if (dx < -drain) {
+            dx += drain;
+        }
+        else {
+            dx = 0;
+        }
+
+        if (dy > drain) {
+            dy -= drain;
+        }
+        else if (dy < -drain) {
+            dy += drain;
+        }
+        else {
+            dy = 0;
+        }
+    }
+    else {
+        dx = 0;
+        dy = 0;
+    }
+
+    if (Mouse::Wheel() > 0) {
+        if (t < 0.25)
+        t += 0.025;
+        else
+        t += 0.1;
+
+        if (t > 1) t = 1;
+    }
+
+    else if (Mouse::Wheel() < 0) {
+        if (t < 0.25)
+        t -= 0.025;
+        else
+        t -= 0.1;
+
+        if (t < 0) t = 0;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+int
+MouseController::ActionMap(int n)
+{
+    if (n >= KEY_ACTION_0 && n <= KEY_ACTION_3)
+    return action[n - KEY_ACTION_0];
+
+    return 0;
+}
+