initial commit

1 files changed, 154 insertions, 0 deletions

diff --git a/src/Inventory.c b/src/Inventory.c
new file mode 100644
index 0000000..5c81ee9
--- /dev/null
+++ b/src/Inventory.c
@@ -0,0 +1,154 @@
+#include "Inventory.h"
+#include "Funcs.h"
+#include "Game.h"
+#include "Block.h"
+#include "Event.h"
+#include "Chat.h"
+
+struct _InventoryData Inventory;
+
+cc_bool Inventory_CheckChangeSelected(void) {
+	if (!Inventory.CanChangeSelected) {
+		Chat_AddRaw("&cThe server has forbidden you from changing your held block.");
+		return false;
+	}
+	return true;
+}
+
+void Inventory_SetSelectedIndex(int index) {
+	if (!Inventory_CheckChangeSelected()) return;
+	Inventory.SelectedIndex = index;
+	Event_RaiseVoid(&UserEvents.HeldBlockChanged);
+}
+
+void Inventory_SetHotbarIndex(int index) {
+	if (!Inventory_CheckChangeSelected() || Game_ClassicMode) return;
+	Inventory.Offset = index * INVENTORY_BLOCKS_PER_HOTBAR;
+	Event_RaiseVoid(&UserEvents.HeldBlockChanged);
+}
+
+void Inventory_SwitchHotbar(void) {
+	int index = Inventory.Offset == 0 ? 1 : 0;
+	Inventory_SetHotbarIndex(index);
+}
+
+void Inventory_SetSelectedBlock(BlockID block) {
+	int i;
+	if (!Inventory_CheckChangeSelected()) return;
+
+	/* Swap with currently selected block if given block is already in the hotbar */
+	for (i = 0; i < INVENTORY_BLOCKS_PER_HOTBAR; i++) {
+		if (Inventory_Get(i) != block) continue;
+		Inventory_Set(i, Inventory_SelectedBlock);
+		break;
+	}
+
+	Inventory_Set(Inventory.SelectedIndex, block);
+	Event_RaiseVoid(&UserEvents.HeldBlockChanged);
+}
+
+void Inventory_PickBlock(BlockID block) {
+	int i;
+	if (!Inventory_CheckChangeSelected() || Inventory_SelectedBlock == block) return;
+
+	/* Vanilla classic client doesn't let you select these blocks */
+	if (Game_PureClassic) {
+		if (block == BLOCK_GRASS)       block = BLOCK_DIRT;
+		if (block == BLOCK_DOUBLE_SLAB) block = BLOCK_SLAB;
+	}
+
+	/* Try to replace same block */
+	for (i = 0; i < INVENTORY_BLOCKS_PER_HOTBAR; i++) {
+		if (Inventory_Get(i) != block) continue;
+		Inventory_SetSelectedIndex(i); return;
+	}
+
+	if (AutoRotate_Enabled) {
+		/* Try to replace existing autorotate variant */
+		for (i = 0; i < INVENTORY_BLOCKS_PER_HOTBAR; i++) {
+			if (AutoRotate_BlocksShareGroup(Inventory_Get(i), block)) {
+				Inventory_SetSelectedIndex(i);
+				Inventory_SetSelectedBlock(block);
+				return;
+			}
+		}
+	}
+
+	/* Is the currently selected block an empty slot? */
+	if (Inventory_SelectedBlock == BLOCK_AIR) {
+		Inventory_SetSelectedBlock(block); return;
+	}
+
+	/* Try to replace empty slots */
+	for (i = 0; i < INVENTORY_BLOCKS_PER_HOTBAR; i++) {
+		if (Inventory_Get(i) != BLOCK_AIR) continue;
+		Inventory_Set(i, block);
+		Inventory_SetSelectedIndex(i); return;
+	}
+
+	/* Finally, replace the currently selected block */
+	Inventory_SetSelectedBlock(block);
+}
+
+/* Returns default block that should go in the given inventory slot */
+static BlockID DefaultMapping(int slot) {
+	if (Game_ClassicMode) {
+		if (slot < Game_Version.InventorySize) return Game_Version.Inventory[slot];
+	} else if (slot < Game_Version.MaxCoreBlock) {
+		return (BlockID)(slot + 1);
+	}
+	return BLOCK_AIR;
+}
+
+void Inventory_ResetMapping(void) {
+	int slot;
+	for (slot = 0; slot < Array_Elems(Inventory.Map); slot++) {
+		Inventory.Map[slot] = DefaultMapping(slot);
+	}
+}
+
+void Inventory_AddDefault(BlockID block) {
+	int slot;
+	if (block > BLOCK_MAX_CPE) {
+		Inventory.Map[block - 1] = block; return;
+	}
+	
+	for (slot = 0; slot < BLOCK_MAX_CPE; slot++) {
+		if (DefaultMapping(slot) != block) continue;
+		Inventory.Map[slot] = block;
+		return;
+	}
+}
+
+void Inventory_Remove(BlockID block) {
+	int slot;
+	for (slot = 0; slot < Array_Elems(Inventory.Map); slot++) {
+		if (Inventory.Map[slot] == block) Inventory.Map[slot] = BLOCK_AIR;
+	}
+}
+
+
+/*########################################################################################################################*
+*--------------------------------------------------Inventory component----------------------------------------------------*
+*#########################################################################################################################*/
+static void OnReset(void) {
+	Inventory_ResetMapping();
+	Inventory.CanChangeSelected = true;
+}
+
+static void OnInit(void) {
+	int i;
+	BlockID* inv = Inventory.Table;
+	OnReset();
+	Inventory.BlocksPerRow = Game_Version.BlocksPerRow;
+	
+	for (i = 0; i < INVENTORY_BLOCKS_PER_HOTBAR; i++) {
+		inv[i] = Game_Version.Hotbar[i];
+	}
+}
+
+struct IGameComponent Inventory_Component = {
+	OnInit,  /* Init  */
+	NULL,    /* Free  */
+	OnReset, /* Reset */
+};