Initial import of the open source release

1 files changed, 127 insertions, 0 deletions

diff --git a/src/et_ninja.c b/src/et_ninja.c
new file mode 100644
index 0000000..e1e8bb1
--- /dev/null
+++ b/src/et_ninja.c
@@ -0,0 +1,127 @@
+/*
+   Kitsune's Curse
+   Copyright (C) 2020-2023 Juan J. Martinez <jjm@usebox.net>
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#include "splib.h"
+#include "main.h"
+
+#include "maps.h"
+
+// generated
+#include "ninja.h"
+
+#include "entities.h"
+#include "et_ninja.h"
+#include "et_player.h"
+#include "et_effect.h"
+
+void draw_ninja()
+{
+    if (*it_extra)
+        return;
+
+    put_sprite4(ninja[player_frames[*it_frame]], *it_x, *it_y, 3, *it_param);
+    erase_sprite(*it_ox, *it_oy, 3);
+}
+
+uint8_t try_magic()
+{
+    uint8_t target = *it_x;
+
+    if (*it_x == TW * TMW - 8 - 2
+            || *it_x == 2)
+        return 0;
+
+    for (it_k = 0; it_k < 6; it_k++)
+    {
+        if (*it_param)
+            target += 8;
+        else
+            target -= 8;
+
+        if (is_map_blocked(target, *it_y + 8)
+                || is_map_deadly(target, *it_y + 24)
+                || target < 4
+                || target > TW * TMW - 8 - 4)
+            break;
+
+        if (is_map_blocked(target, *it_y + 24))
+        {
+            erase_sprite(*it_ox, *it_oy, 3);
+            new_explo_et();
+            *it_x = (target / TW) * TW;
+            *it_extra = COOL_DOWN + 2;
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+void update_ninja()
+{
+    if ((*it_delay)++ == 2)
+    {
+        *it_delay = 0;
+        if (++(*it_frame) > WALK_CYCLE)
+            *it_frame = WALK;
+    }
+
+    if (*it_extra)
+    {
+        --(*it_extra);
+        if (*it_extra == 0)
+            new_explo_et();
+        return;
+    }
+
+    if (*it_param)
+    {
+        if (is_map_blocked(*it_x + 8, *it_y + 8) || *it_x == TW * TMW - 8 - 2
+                || !is_map_blocked(*it_x + 8, *it_y + 24)
+                || is_map_deadly(*it_x + 8, *it_y + 24))
+        {
+            if (try_magic())
+                return;
+            goto ninja_change_dir;
+        }
+        else
+            *it_x += 1;
+    }
+    else
+    {
+        if (is_map_blocked(*it_x - 1, *it_y + 8) || *it_x == 2
+                || !is_map_blocked(*it_x - 1, *it_y + 24)
+                || is_map_deadly(*it_x - 1, *it_y + 24))
+        {
+            if (try_magic())
+                return;
+            goto ninja_change_dir;
+        }
+        else
+            *it_x -= 1;
+    }
+
+    if (*it_extra == 0 && check_for_player(24))
+    {
+        player_hit(1);
+
+ninja_change_dir:
+        *it_param ^= 128;
+        *it_delay = 0;
+        *it_frame = WALK;
+    }
+}