main

2 files changed, 77 insertions, 0 deletions

diff --git a/mkb/mkb.c b/mkb/mkb.c
new file mode 100644
index 0000000..169aa8c
--- /dev/null
+++ b/mkb/mkb.c
@@ -0,0 +1,53 @@
+#include <mkb.h>
+
+bool mkb_search(MKb *mkb, SDL_Scancode scancode) {
+    for (int i=0; i<mkb->kbnum; i++) {
+        if (mkb->kb[i] == scancode) 
+            return true;
+    }
+    return false;
+}
+
+bool mkb_statesearch (MKb *mkb, SDL_Scancode scancode) {
+    const Uint8 *state = SDL_GetKeyboardState(NULL);
+    if (state[scancode]) return true;
+    return false;
+}
+
+void mkb_init(MKb *mkb) {
+    mkb->kbnum = 0;
+    for (int i=0;i<3;mkb->mheld[i]=0,mkb->mclick[i]=0,i++);
+    mkb->mwheeldelta = 0;
+}
+    
+void mkb_process(MKb *mkb) {
+    mkb->kbnum = 0;
+    SDL_GetMouseState(&(mkb->mx), &(mkb->my));
+    for (int i=0;i<3;i++) {
+        if (mkb->mclick[i] > 0) mkb->mheld[i] += 1;
+        else if (mkb->mheld[i] > 0) mkb->mheld[i] = -1;
+        else mkb->mheld[i] = 0;
+    }
+    mkb->mwheeldelta = 0;
+}
+
+void mkb_event(MKb *mkb, SDL_Event *e) {
+    if(e->type == SDL_KEYDOWN && e->key.repeat == 0) {
+        mkb->kb[mkb->kbnum++] = e->key.keysym.scancode;
+    }
+    if(e->type == SDL_KEYUP) {
+    }
+    if(e->type == SDL_MOUSEBUTTONDOWN) {
+        if (e->button.button == SDL_BUTTON_LEFT) { mkb->mclick[0] = 1; }
+        if (e->button.button == SDL_BUTTON_MIDDLE) { mkb->mclick[1] = 1; }
+        if (e->button.button == SDL_BUTTON_RIGHT) { mkb->mclick[2] = 1; }
+    }
+    if(e->type == SDL_MOUSEBUTTONUP) {
+        if (e->button.button == SDL_BUTTON_LEFT) { mkb->mclick[0] = 0; }
+        if (e->button.button == SDL_BUTTON_MIDDLE) { mkb->mclick[1] = 0; }
+        if (e->button.button == SDL_BUTTON_RIGHT) { mkb->mclick[2] = 0; }
+    }
+    if(e->type == SDL_MOUSEWHEEL) {
+        mkb->mwheeldelta = e->wheel.y;
+    }
+}
\ No newline at end of file
diff --git a/mkb/mkb.h b/mkb/mkb.h
new file mode 100644
index 0000000..74b1a47
--- /dev/null
+++ b/mkb/mkb.h
@@ -0,0 +1,24 @@
+#ifndef MKB_H
+#define MKB_H
+
+#include <SDL.h>
+
+// SDL2 mouse and keyboard
+
+typedef struct {
+    SDL_Scancode kb[128]; /* keyboard state, reset every frame */
+    int kbnum; 
+    int mx; /* mouse x pos */
+    int my; /* mouse y pos */
+    int mclick[3];
+    int mheld[3];
+    int mwheeldelta;
+} MKb;
+
+void mkb_init(MKb *mkb);
+bool mkb_search(MKb *mkb, SDL_Scancode scancode);
+bool mkb_statesearch(MKb *mkb, SDL_Scancode scancode);
+void mkb_event(MKb *mkb, SDL_Event *e);
+void mkb_process(MKb *mkb);
+
+#endif
\ No newline at end of file