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source/fumoengine/fumoengine.c

@@ -2,6 +2,9 @@
 #include "platform.h"
 
 
+const VectorT FUMOCO_T = VECTOR_T(struct FumoCoroutine);
+
+
 void Panic(char *message)
 {
     printf(message);
@@ -41,6 +44,12 @@ bool FumoInstanceRun(struct FumoInstance *inst)
     char *buf = malloc(buf_n);
 
     while (true) {
+        // Time
+        nsec now = TimeNow();
+        inst->frametime = now - inst->time;
+        inst->time = now;
+
+        // Input
         if (!InputAquire(&inst->input_hand))
             Panic("Aquire failed");
             
@@ -48,16 +57,28 @@ bool FumoInstanceRun(struct FumoInstance *inst)
 
         if (!InputRelease(&inst->input_hand))
             Panic("Release failed");
-
-        nsec now = TimeNow();
-        inst->frametime = now - inst->time;
-        inst->time = now;
         
+        // Update
         EventInvoke(&inst->on_update, inst);
+        for (usize i = 0; i < inst->coroutines.len; i++) {
+            struct FumoCoroutine *co = VectorGet(FUMOCO_T, &inst->coroutines, i);
+            co->callback();
+        }
 
+        // Draw
+        EventInvoke(&inst->on_draw, inst);
         TerminalPrint(&inst->term, buf, buf_n);
         puts(buf);
 
         //_sleep(100);
     }
+}
+
+bool CoroutineAdd(struct FumoInstance *inst, handler callback, nsec period)
+{
+    return VectorAdd(FUMOCO_T, &inst->coroutines, &(struct FumoCoroutine) {
+        .callback = callback,
+        .timer = 0,
+        .period = period
+    });
 }

source/fumoengine/fumoengine.h

@@ -7,6 +7,12 @@
 #include "vector.h"
 
 
+struct FumoCoroutine {
+    handler callback;
+    nsec timer;
+    nsec period;
+};
+
 struct FumoInstance {
     struct Controller ctrl;
     struct InputHandle input_hand;
@@ -14,6 +20,9 @@ struct FumoInstance {
 
     struct Event on_start;
     struct Event on_update;
+    struct Event on_draw;
+
+    struct Vector coroutines;
 
     nsec time;
     nsec frametime;

source/fumoengine/include/vector.c

@@ -10,11 +10,9 @@ bool CreateVector(VectorT T, struct Vector *vec)
     if (array == nullptr)
         return false;
 
-    *vec = (struct Vector) {
-        .len = 0,
-        .capacity = 16,
-        .array = array
-    };
+    vec->len = 0;
+    vec->capacity = 16;
+    vec->array = array;
 
     return true;
 }

source/fumotris/fumotris.c

@@ -1,62 +1,79 @@
 #include "fumotris.h"
+#include <stdlib.h>
 
 
 struct Fumotris {
     struct Tetra board;
     struct Tetra piece;
-    nsec timer;
+
     bool is_ground;
 };
 
 
+struct TetraTemplate *bag[7] = { &I, &O, &T, &S, &Z, &J, &L };
+usize bag_i = 0;
+
+
+void shuffle()
+{
+    for (usize i = 6; i >= 0; i--) {
+        usize swap = rand() % i;
+        
+        struct TetraTemplate *tmp = bag[swap];
+        bag[swap] = bag[i];
+        bag[i] = tmp;
+    }
+}
+
+void place_piece(struct Fumotris *fumo)
+{
+    TetraOverlay(&fumo->piece, &fumo->board);
+    SetTetra(&fumo->piece, bag[bag_i++], 0, 0);
+
+    if (bag_i == 7) {
+        shuffle();
+        bag_i = 0;
+    }
+}
+
+i16 get_horizontal(struct Controller *ctrl)
+{
+    return (-(i16)ctrl->axes[LEFT].is_down) + ctrl->axes[RIGHT].is_down;
+}
+
 void FumotrisStart(struct FumoInstance *inst, struct Fumotris *fumo)
 {
     ControllerBindMulti(&inst->ctrl, BINDS_N, controls_g, codes_g, types_g);
-
     CreateTetra(&fumo->board, 10, 10);
-    SetTetra(&fumo->piece, T, 3, 3, 0, 0);
-    fumo->timer = 0;
+
+
+
     fumo->is_ground = false;
+
+    SetTetra(&fumo->piece, bag[bag_i++], 0, 0);
 }
 
 void FumotrisUpdate(struct FumoInstance *inst, struct Fumotris *fumo)
 {
-    i16 horizontal = 0;
-    if (inst->ctrl.axes[LEFT].is_down)
-        horizontal -= 1;
-    if (inst->ctrl.axes[RIGHT].is_down)
-        horizontal += 1;
-    TetraMove(&fumo->piece, &fumo->board, horizontal, 0);
+    TetraMove(&fumo->piece, &fumo->board, get_horizontal(&inst->ctrl), 0);
 
-
-    if (inst->ctrl.axes[SOFT_DROP].is_down)
+    if (inst->ctrl.axes[SOFT_DROP].is_down) {
         TetraMove(&fumo->piece, &fumo->board, 0, 1);
-        
+    }
         
     if (inst->ctrl.axes[HARD_DROP].is_down) {
         while (TetraMove(&fumo->piece, &fumo->board, 0, 1));
-        
-        fumo->timer = 0;
-        TetraOverlay(&fumo->piece, &fumo->board);
-        SetTetra(&fumo->piece, I, 4, 4, 0, 0);
-
-        return;
+        place_piece(fumo);
     }
+}
 
-    fumo->timer += inst->frametime;
-    while (fumo->timer > 5e8) {
-        fumo->timer -= 5e8;
-
-        if (!TetraMove(&fumo->piece, &fumo->board, 0, 1)) {
-            if (!fumo->is_ground) {
-                fumo->is_ground = true;
-            } else {
-                TetraOverlay(&fumo->piece, &fumo->board);
-                SetTetra(&fumo->piece, I, 4, 4, 0, 0);
-
-                fumo->is_ground = false;
-            }
-        }
+void FumotrisOnFall(struct FumoInstance *inst, struct Fumotris *fumo)
+{
+    if (!TetraMove(&fumo->piece, &fumo->board, 0, 1)) {
+        if (!fumo->is_ground)
+            fumo->is_ground = true;
+        else
+            place_piece(fumo);
     }
 }
 
@@ -73,8 +90,12 @@ int main()
     CreateFumoInstance(&inst);
     
     struct Fumotris game;
+    
     EventAdd(&inst.on_start, FumotrisStart, &game);
     EventAdd(&inst.on_update, FumotrisUpdate, &game);
+    EventAdd(&inst.on_draw, FumotrisDraw, &game);
+
+    VectorAdd(FUMOCO_T, &inst.coroutines, );
 
     FumoInstanceRun(&inst);
 

source/fumotris/fumotris.h

@@ -22,12 +22,6 @@ enum FumotrisControls {
     MOUSE
 };
 
-struct TetraTemplate {
-    u8 *blks;
-    u16 wid;
-    u16 hgt;
-};
-
 
 u16 controls_g[BINDS_N] = {
     LEFT,

source/fumotris/tetra.c

@@ -24,11 +24,11 @@ void FreeTetra(struct Tetra *tetra)
     free(tetra->blks);
 }
 
-void SetTetra(struct Tetra *map, u8 *blks, u16 wid, u16 hgt, i16 x, i16 y)
+void SetTetra(struct Tetra *map, struct TetraTemplate *t, i16 x, i16 y)
 {
-    map->blks = blks;
-    map->wid = wid;
-    map->hgt = hgt;
+    map->blks = t->blks;
+    map->wid = t->wid;
+    map->hgt = t->hgt;
     
     map->x = x;
     map->y = y;

source/fumotris/tetra.h

@@ -16,11 +16,19 @@ struct Tetra {
     u8f rot;
 };
 
+struct TetraTemplate {
+    u8 *blks;
+    
+    u16 wid;
+    u16 hgt;
+};
+
+
 bool CreateTetra(struct Tetra *map, u16 wid, u16 hgt);
 
 void FreeTetra(struct Tetra *map);
 
-void SetTetra(struct Tetra *map, u8 *blks, u16 wid, u16 hgt, i16 x, i16 y);
+void SetTetra(struct Tetra *map, struct TetraTemplate *t, i16 x, i16 y);
 
 void TetraTerminalClear(struct Tetra *board, struct Terminal *term);