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implement bb shops incompletely

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This commit is contained in:
Martin Michelsen
2020-02-21 17:29:30 -08:00
parent e6f991a880
commit 5bcc36a627
8 changed files with 200 additions and 15 deletions
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Items.cc
+122 -1
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@@ -281,7 +281,7 @@ int32_t CommonItemCreator::decide_item_type(bool is_box) const {
return -1;
}
ItemData CommonItemCreator::create_item(bool is_box, uint8_t episode,
ItemData CommonItemCreator::create_drop_item(bool is_box, uint8_t episode,
uint8_t difficulty, uint8_t area, uint8_t section_id) const {
// change the area if it's invalid (data for the bosses are actually in other areas)
if (area > 10) {
@@ -465,3 +465,124 @@ ItemData CommonItemCreator::create_item(bool is_box, uint8_t episode,
return item;
}
ItemData CommonItemCreator::create_shop_item(uint8_t difficulty,
uint8_t item_type) const {
static const uint8_t max_percentages[4] = {20, 35, 45, 50};
static const uint8_t max_quantity[4] = { 1, 1, 2, 2};
static const uint8_t max_tech_level[4] = { 8, 15, 23, 30};
static const uint8_t max_anti_level[4] = { 2, 4, 6, 7};
ItemData item;
memset(&item, 0, sizeof(item));
item.item_data1[0] = item_type;
while (item.item_data1[0] == 2) {
item.item_data1[0] = rand() % 3;
}
switch (item.item_data1[0]) {
case 0: { // weapon
item.item_data1[1] = (rand() % 12) + 1;
if (item.item_data1[1] > 9) {
item.item_data1[2] = difficulty;
} else {
item.item_data1[2] = (rand() & 1) + difficulty;
}
item.item_data1[3] = rand() % 11;
item.item_data1[4] = rand() % 11;
size_t num_percentages = 0;
for (size_t x = 0; (x < 5) && (num_percentages < 3); x++) {
if ((rand() % 4) == 1) {
item.item_data1[(num_percentages * 2) + 6] = x;
item.item_data1[(num_percentages * 2) + 7] = rand() % (max_percentages[difficulty] + 1);
num_percentages++;
}
}
break;
}
case 1: // armor
item.item_data1[1] = 0;
while (item.item_data1[1] == 0) {
item.item_data1[1] = rand() & 3;
}
switch (item.item_data1[1]) {
case 1:
item.item_data1[2] = (rand() % 6) + (difficulty * 6);
item.item_data1[5] = rand() % 5;
break;
case 2:
item.item_data2[2] = (rand() % 6) + (difficulty * 5);
*reinterpret_cast<short*>(&item.item_data1[6]) = (rand() % 9) - 4;
*reinterpret_cast<short*>(&item.item_data1[9]) = (rand() % 9) - 4;
break;
case 3:
item.item_data2[2] = rand() % 0x3B;
*reinterpret_cast<short*>(&item.item_data1[7]) = (rand() % 5) - 4;
break;
}
break;
case 3: // tool
item.item_data1[1] = rand() % 12;
switch (item.item_data1[1]) {
case 0:
case 1:
if (difficulty == 0) {
item.item_data1[2] = 0;
} else if (difficulty == 1) {
item.item_data1[2] = rand() % 2;
} else if (difficulty == 2) {
item.item_data1[2] = (rand() % 2) + 1;
} else if (difficulty == 3) {
item.item_data1[2] = 2;
}
break;
case 6:
item.item_data1[2] = rand() % 2;
break;
case 10:
item.item_data1[2] = rand() % 3;
break;
case 11:
item.item_data1[2] = rand() % 7;
break;
}
switch (item.item_data1[1]) {
case 2:
item.item_data1[4] = rand() % 19;
switch (item.item_data1[4]) {
case 14:
case 17:
item.item_data1[2] = 0; // reverser & ryuker always level 1
break;
case 16:
item.item_data1[2] = rand() % max_anti_level[difficulty];
break;
default:
item.item_data1[2] = rand() % max_tech_level[difficulty];
}
break;
case 0:
case 1:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
case 16:
item.item_data1[5] = rand() % (max_quantity[difficulty] + 1);
break;
}
}
return item;
}